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willwhitlock803
29.06.2019 •
Mathematics
Twice last month, judy carter rented a car from a car rental company and traveled around the southwest on business. the company rents its car for a daily fee, plus an additional charge per mile driven. judy recalls that her first trip lasted 4 days, she drove 450 miles, and the rental cost her $ 233.50 . on her second business trip she drove 200 miles in 3 days, and paid $ 149.00 for the rental. find the daily fee, and find the mileage charge.
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Ответ:
Charge per mile: y
4x+450y=233.5
3x+200y=149
12x+1350y=700.5
12x+800y=596
First equation minus the second equation
550y=103.5
Y=207/1100=0.188182
X=(149-414/11)/3=37.1212
Ответ:
84.8
Step-by-step explanation:
80 + 76 + 88 + 96 + 75 + 83 + 68 + 94 + 99 + 89 / 10 =
848/10 = 84.8