A car can travel 120 miles on 4 gallons of gasoline. How much gasoline will it need to go 510 miles?
1 answer:
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a-3b=7
a=7+3b
a+b=87
(7+3b)+b=87
7+4b=87
4b=87-7
4b=80
b=20
a=7+3b
a=7+3*20
a=7+60
a=67
Answer:
The value of the car will be 6100 dollars in 8.8 years
Step-by-step explanation:
Present value of car = $23900
The value of the car depreciates at 14.25% per year
Let x be no. of years in which the value of the car becomes 6100 dollars
Formula:
Substitute the values :
Hence the value of the car will be 6100 dollars in 8.8 years