You save $15 per week to purchase a bike that cost $120 or more. Write and solve an inequality to find the number of weeks you need to save to purchase a bike.

Question

You save $15 per week to purchase a bike that cost $120 or more. Write and solve an inequality to find the number of weeks you need to save to purchase a bike.

Answer 1

 

15*w >= 120 where W is the number of weeks.

 

w >= 120/15 = 8

 

Must save 8 weeks or more to purchase the bike.