Question

Rosa has a limit to the time she may play video games each day. She plays for 9 min on Monday, which is 30% of the time she can play. How many more minutes can Rosa play on Monday?

Answer 1

21 minutes left
(30 minutes total each day)

Answer 2

21 minutes = %70

Explanation:

9 minutes = 30%

18 minutes = 60%

27 minutes = 90%

3 minutes = %10

-

%60 + %10 = %70 = 18 minutes + 3 minutes = 21 minutes