Question

Collin spent 7 hours volunteering last month. Vanessa spent 21 hours volunteering last month. Write an equation which correctly shows how many times more hours Vanessa spent volunteering last month than Collin?

Answer 1

let the time spent by vanessa in volunteering be x hours
and the time spent by callin in volunteering be y hours then equation showing how many times more hour vanessa spent volunteering than collin will be
x=3y

Answer 2

let the time spend by Collin = z
then the time spend by Vanessa=y
and the eqation must be
                     y=3z