Answer:
8(3) + 10(7) = 94
8b + 10l = y
Explanation:
First, lets make an equation to solve for the numbers.
8b + 10l = Total Amount of Money (y)
Plug in the values.
8(3) + 10(7) = 94 is the amount of money he gets if he does 3 hours of babysitting and 7 hours of lifeguarding.