The cost to rent a car is $25 plus an additional $0.15 for each mile the car is driven. how many miles was a car driven if it had a bill of $71.80? (a) 479(b) 312(c) 454(d) 645

The cost to rent a car is $25 plus an additional $0.15 for each mile the car is driven.

x = the number of miles

y = total cost

y = 0.15x + 25        [costs $0.15 per mile plus $25]

Since you know the bill/total cost was $71.80, you can plug it into the equation.

y = 0.15x + 25

71.80 = 0.15x + 25            

Now you need to find "x"(the number of miles). Subtract 25 on both sides

71.80 - 25 = 0.15x + 25 - 25

46.80 = 0.15x                     Divide 0.15 on both sides

312 = x

The car was driven 312 miles. Your answer is B

the solution is x=1

step-by-step explanation:

we are given our   equation as

let's assume

left side function is

right side function is

now, we can draw graph

and then we can get intersection point

the intersection point will be solution

so, the solution is

x=1

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