Question

In the problem to the left, if Tim mows 9 lawns this week, by how much will he have exceeded his goal?

Answer 1

Explanation:

a - number of lawn that Tim needs to mow

310 < 120 + 30a

190 < 30a

6.333 < a

a > 6.333

Tim needs to mow at least 7 lawns to earn more than $310