Cole sells used bicyclesHe makes $120 per week plus $10 for each bicycle soldHe wants to earn at least $400 perweekHow many must hesell each week to accomplish

Question

Inequality:

 

 

Solution:

Answer 1

Income = 120 + 10n where n is the number of bikes sold

120 + 10n ≥ 400

Subtract 120 from both sides

10n ≥ 280

n ≥ 28