The value of a dirt bike decreases by 15% each year. if you purchased this dirt bike today for $500, to the nearest dollar how much would the bike be worth five years later? $84 $119 $164 $222

In the next 10 month, colin wants to save $900 for his vacation. he plans to save $75 each of the first 8 months. how much must he save each of the last 2 months in order to meet his goal if he saves the same amount each month ?