Multi step inequalities

Question

katie saving money for bike. The bike costs 275.99 she gets 15 dolars a week allowance and walks her neighbor's dog for 3 hrs a week and earns 7.50 per hour Katie also pays 4.50

a week for school lunch. She gets paid once a week and saves the max possible

Answer 1

15w + 3(7.5)w - 4.5w = 33w

She earns $33 per week after paying for lunch

33w = 275.99

w = 8.36 weeks

 

It will take approximately 9 weeks to save for the bike