Mathematical Reasoning

A box of apples has a mass of 3 kilograms 50 grams while a box of oranges has a mass of 3 kilograms 100 grams.

What is the mass of a box of peaches if all three boxes have a combined mass of 9 kilograms?

Barbie bought 8 rolls of ribbon.

She used 3 metres 27 centimetres of the ribbon to wrap some presents and was left with 36 metres 73 centimetres.

If each roll of ribbon has the same length, how many metres of ribbon are in each roll?

It took Bert 1 hour 35 minutes to make his kite while it took Elmo 40 minutes more to make his kite.

How long did it take Elmo to make his kite?

Mickey Mouse took exactly 4 weeks to assemble a model airplane. 

Minnie Mouse took 26 more days than Mickey Mouse to assemble her model airplane.

What was the total number of days it took both of them to assemble their model airplanes?

A rectangular garden has a perimeter of 42 metres. 

What is the area of the garden if it is 12 metres long?

Dexter took four tests, a Science test, a Math test, a History test, and a Literature test, yesterday and got a total score of 268 points. 

He scored 70 on the Science test, scored 8 points lower on the Math test than on the Science test, and scored 6 points higher on the History test than on the Literature test.

How many points did he score on the History test?

Ed has three times as many trading cards as Edd, and Eddy has half as many trading cards as Ed. 

If Ed and Edd have 96 trading cards in total, how many trading cards does Eddy have?

Three boys, Arthur, Clark, and Simon, and five girls sold a total of 1 500 tickets. 

The boys sold twice as many tickets as the girls.

If Arthur and Clark together sold 56 more tickets than Simon, how many tickets did Simon sell?

Lily was reading a very thick document. 

She read 38 pages on Monday and read 27 more pages on Tuesday than on Monday.

If Lily noticed that there were still 216 pages left to read, how many pages are there in the document?

A metal box is three times as heavy as a wooden box. 

If the metal box is 1.16 kilograms heavier than the wooden box, how heavy is the wooden box?

Donald Duck went to the mall and bought 4 coffee mugs and a teacup for $16.50. 

If each coffee mug cost $3.50, how much did the teacup cost?

Emma bought a box of Christmas ornaments. 

She used 2 040 Christmas ornaments to decorate 85 Christmas trees.

If there were 9 Christmas ornaments left, how many more Christmas ornaments did she need to decorate another 5 Christmas trees if she used the same number of Christmas ornaments on each Christmas tree?

At the supermarket, a customer can buy 6 eggs for $2. 

How many eggs can Sylvester buy if he has $10?

Hermione spends two-thirds of her money to buy a cauldron and a magic wand. 

The cauldron costs thrice as much as the magic wand.

If the cauldron costs $4.20, how much money did Hermione have at the start?

Three-fifths of the members of the Tennis Club are female. 

If the Tennis Club has 7 more female members than male members, how many members does the Tennis Club have?

Bernice’s birthday is on August 1st while Anna’s birthday is precisely two weeks after. 

When is Anna’s birthday?

The Mystery Machine travelled at a speed of 54 kilometres per hour for two hours and at 68 kilometres per hour for another 1 1/2 hours. 

How far did the Mystery Machine travel?

Hawkeye drove for 3 hours at a speed of 90 kilometres per hour and then stopped to take a rest for 1 hour. 

He continued his trip for another 3 hours, driving 220 kilometres.

Then, he stopped and rested for 2 hours before driving another 3 1/2 hours at a speed of 80 kilometres per hour to reach his destination.

How far was Hawkeye’s entire journey?

Jenna cuts a ribbon into three pieces. 

Two pieces are of the same length, and the third piece is twice as long as each of the other two pieces.

If the longest piece is 123 centimetres long, what is the original length of the ribbon?

Eight years from now, the Powerpuff Girls will be half as old as Professor Utonium. 

If Professor Utonium is currently 58 years old, what is the current age of the Powerpuff Girls?

A basket only contained green and red apples. 

If the basket contained 15 green apples and 20 times as many red apples as green apples, how many apples are in the basket?

Jack and Jill had the same amount of money. 

After Jack spent $25 and Jill spent $75, Jack had thrice as much money as Jill.

How much money did Jill have at the start?

The combined mass of two identical iron balls is the same as the combined mass of three identical copper balls. 

If two such iron balls and three such copper balls have a combined mass of 8.4 kilograms, what is the mass of each iron ball?

Working non-stop, Cinderella finished polishing 7 magic mirrors in 5 hours 15 minutes. 

At this rate, how long did it take Cinderella to polish one magic mirror?

For their art project, Allan made 300 widgets, Ben made 25 more widgets than Allan, and Carl made 30 fewer widgets than Ben. 

How many widgets did the three boys make altogether?

A sorcerer can make 128 bottles of potions each day.

Each bottle of potion requires 96 grams of the powdered root of asphodel.

How many kilograms of the powdered root of asphodel does the sorcerer need if he makes potions for 30 days? (1 kilogram = 1 000 grams)

At the office supply store, Angela bought a ruler and a measuring scale for $2.55. 

At the same office supply store, Velma bought a ruler and three measuring scales for $5.25.

How much did the ruler cost?

Mr. Robertson had $75 million. 

He gave $30 million to his wife and the rest was equally shared by each of his three children.

What percentage of Mr. Robertson’s money did each of his children get?

There are 180 chickens at Old MacDonald’s poultry farm. 

He sold 2/9 of the chickens at the local market and 2/5 of the remaining chickens ran away.

How many chickens ran away?

Daphne has 38 more books than Velma, and Fred has twice as many books as Velma. 

If the three of them have a total of 230 books, how many books does Daphne have?

Buffy baked a total of 125 cupcakes for the school’s bake sale. 

She sold 75 cupcakes for 25 cents each, sold another 25 cupcakes for 30 each, and sold the remaining cupcakes for $4.25.

How much did Buffy earn from the sale of the cupcakes?

A crate has a mass of 3 1/2 kilograms when it is full of apples and has a mass of 2 1/8 kilograms when it is half-full of apples. 

What is the mass of the crate when it is empty?

Of the 40 workers at the factory, 2/5 are females. 

If 3/8 of the male workers are required to wear hard hats, how many male workers are not required to wear hard hats?

If 6 cans of tuna have a combined mass of 948 grams, what is the combined mass of 15 such cans of tuna?

Alvin weighs 250 grams, Simon weighs twice as much as Alvin, and Theodore weighs one-fourth as much as Simon. 

How much does Theodore weigh?