Q:

Tina practiced piano for 15 hours last month and 45 hours this month.A) use a multiplication to write a statement comparing the hours Tina practiced during the two months.B) use addition to compare the hours for both months.

Accepted Solution

A:
A). 45 ÷ 15 = 3 so 15 × 3 = 45

Not sure on b but

B). 15 + 30 = 45
So the sedation would be 30