Steven wants to buy a $570 bicycle. Steven has no money saved, but will be able to deposit $50 into a savings account when he receives his paycheck each Friday. However, before Steven can buy the bike, he must give his sister $80 that he owes her. For how many weeks will Steven need to deposit money into his savings account before he can pay back his sister and buy the bike?

Question

anonymous · Answer

Let N be the number of weeks

then 570 = 50N - 80

50N = 650

N = 13 weeks