Question

Gina takes three hours of dance classes for x weeks. Which expression shows the number of hours Gina dances?

x - 3
x + 3
3x
x ÷ 3

Answer 1

3x

Explanation:

x = number of weeks.

When you plug in the number of weeks for x you'll get the amount of hours she had for dance classes.

Example: She has been doing classes for 3 weeks, how many hours did she do?

3x

3(3)

= 9(She had 9 hours of dance class combined for the past three weeks).