SI – NUMBERS (20 QUESTIONS)

Powdered unicorn horn costs 8 golds per kilogram and mermaid’s scale costs 15 golds per kilogram.

If a wizard mixes 5 kilograms of unicorn horn and 2 kilograms of mermaid’s scale to make a magic potion, what will be the cost per kilogram of the magic mixture?

A. 10 golds per kilogram

B. 12 golds per kilogram

C. 13 golds per kilogram

D. 15 golds per kilogram

E. 70 golds per kilogram

Bre puts 22 chocolate chip cookies onto a plate for her friends.
She puts 18 oatmeal cookies onto another plate.
Her friends ate 8 cookies.

Which estimate is closest to the number of cookies Bre still has?

A. 12

B. 32

C. 42

D. 52

E. 60

Robbie the Squirrel can collect 40 nuts in one hour.

At this rate, how many nuts can Robbie the Squirrel collect in 15 minutes?

A. 6 nuts

B. 10 nuts

C. 15 nuts

D. 25 nuts

E. 55 nuts