Answer: 3 hours
Step-by-step explanation:
If you add up 25+15=40 if you add up 40+15=55, 55+15=70, 70+15=85
If they intersect at this point, that means this point is a solution (3,4)
$4.84 is the correct answer
Step-by-step explanation:
so what you need to do is answer the problems at the top to make then into a answer that looks like (x, y) ,(a,b) and find it on the graphs