Yuson must complete 30 hours of community service. She does 2 hours each day. Write a linear equation to represent the hours Yuson has left after x days.

Question

How would I write this?

Answer 1

The linear equation to model this situation is

y = 30 - 2x

because you want to subtract the hours she has completed (2x) from the total hours required (30) in order to find the amount remaining (y)