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loris [4]
3 years ago
13

A rental car company charges $35 a day plus $.15/mi for a mid-size car. A customer owes $117.15 for a three-day rental. How many

miles did the customer drive?
Mathematics
1 answer:
Juliette [100K]3 years ago
6 0

Answer:

They drove 81 miles

Step-by-step explanation:

Total cost = fees per day * days + miles * mileage charge

We know the total cost = 117.15

We know it was 3  days  at 35/day

The mileage charge is .15 per mile

117.15 = 35*3 + m*.15

Multiplying

117.15 = 105+.15m

Subtract 105 from each side

117.15-105 = 105-105 +.15m

12.15 = .15m

Divide by .15 on each side

12.15 /.15 =.15m/.15

81 = m

They drove 81 miles

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8 0
3 years ago
What is the interquartile range (IQR) of the following data set 17 16 21 15 25 22 18 23 17
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First locate the median Q_{2} at the centre of the data arranged in ascending order. Then locate the lower and upper quartiles Q_{1} and Q_{3} located at the centre of the data to the left and right of the median.

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                     ↑

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3 years ago
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