Question

The fee for renting a video camera is $25 plus $15 per day. Sam can spend no more than $85. What is the maximum number of days Sam can rent the video camera

Answer 1

25+15d=cost

no more than 85

cost≤85
25+15d≤85
minus 25 both sides
15d≤60
divide both sides by 15
d≤4
4 days is max