Problem 2 · 2017 Math Kangaroo
Easy
Fractions, Decimals & Percents
fraction-to-decimal
If John looks out the window he can see half of the kangaroos in the park. How many kangaroos in total are there in the park?

Show answer
Answer: D — 12
Show hints
Hint 1 of 2
The kangaroos you can see through the window are only one part of all of them.
Still stuck? Show hint 2 →
Hint 2 of 2
If what you see is half, then the rest behind the wall is the other half, just as many.
Show solution
Approach: seen amount is half, so double it
- John sees 6 kangaroos.
- These are half of all the kangaroos in the park.
- So the total is 6 x 2 = 12.
Mark:
· log in to save