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A rental car company charges $77. 50 per day to rent a car and $0. 14 for every mile

driven. Juan wants to rent a car, knowing that:

• He plans to drive 425 miles.

• He has at most $230 to spend.

Write and solve an inequality which can be used to determine d, the number of days

Juan can afford to rent while staying within his budget.


Sagot :

77.5d + .14m

m = 425

.14 * 425 = 59.5

77.5d + 59.5 ≤ 230

77.5d ≤ 170.5

d ≤ 170.5/77.5

d ≤ 2.2

if they only take payment for whole days, he has 2 whole days

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