Question

Tim earns $120 plus $30 for each lawn he mows. Write an inequality to represent how many lawns he needs to mow to make more than $310.

Answer 1

at least 7 lawns to earn $310

Answer 2

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 in order to earn more than $310