Mimi has $40 in a savings account. The interest rate is 10% per year and is not compounded. How
much interest will she earn in 5 years?

Abike shop sells you a bicycle for $63 and a helmet for $21. the total cost is 150% of what the shop spent originally. how much did the shop spend originally? how much profit did the bike shop earn by selling the bicycle and helmet to you ?

Aflute is on sale for 20% off. including the discount and 8% tax, the sales price is $216.

Which table shows a proportional relationship between miles traveled and gas used?