chris421
Answered

PLEASE HELP: A pizza delivery man earns 7.50 per hour and 2.00 per delivery. Each week the driver spends 28.00 on car maintenance and 86.00 on gas. If the driver works 40 hours per week, how many deliveries are need to earn 300 after expenses. Set up an equation and solve

Answer :

So, if the pizza guy earns $7.50 an hour & $2 per delivery, every delivery price is going to be found with 7.50h + 2d (p). The driver spends $114 on his car a week ($28 + $86). Since the driver works 40 hours a week and you need to know how many deliveries are needed to earn $300, the equation will now be p - 114 = 300.

We now know h = 40, so p is now 300 + 2d.
(300 + 2d) - 114 = 300
2d - 114 = 0
2d = 114
d = 57

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