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liq [111]
3 years ago
6

a rental car costs $26 per day plus $0.30 per mile. if someone has $350 to spend and needs to drive the car 60 miles each day, f

or how many days can that person rent the car? assume the car cannot be rented part of a day.
Mathematics
2 answers:
zvonat [6]3 years ago
6 0
D = the number of days the person can rent the car

Cost per day = $26 
Cost per mile = $0.30
Miles per day = 60

Formula(s):
(cost of the rent) = (cost per day) * (number of days) + (cost per mile) * (number of miles)
(number of miles) = (miles per day) * (number of days)

350 = 26 * d + 0.30 * 60 * d

350 = 26d + 18d

350 = d(26 + 18)

44d = 350

\frac{44d}{44} =  \frac{350}{44}

d = 7.959

The person could rent the car for 8 days

26 * 8 + 0.30 * 60 * 8

208 + 144 = 352

The person would spend $352 to rent the car.
SVEN [57.7K]3 years ago
5 0
If u have to drive the car 60 miles per day, at 0.30 per mile, then u r spending 
(60 x 0.30) = 18 per day on just driving.

plus the 26 per day for the rental

totals : 18 + 26 = 44 per day

44d = 350
d = 350/44
d = 7.95 rounds to 8 days

answer is 8 days
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