Gas mileage is the number of miles you can drive on a a gallon of gasoline. a test of a new car results in 500 miles on 10 gallons of gas. how far could you drive on 75 gallons of gas? what is the car's gas mileage?

If the car drove 500 miles in 10 gallons of gas it means it can drive 500 miles / 10 gallons which is 50 miles per gallon.
To discover how far he could drive on 75 gallons of gas we just. havr to multiply 50 by 75 :
75×50 = 3750 miles

Awnser:
The car mileage is 50 miles per gallon
And I could drive the car for 3750 miles on 75 gallons of gas .

I hope you understood my brief explanation
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Letter c hope it

1. isolate the variable, in this case, d. subtract 35.5 on both sides of the equation.2. 52 subtracted by 35.5 is 16.53. therefore your answer would be d= 16.5this is the basics of pre algebra, isolating variable through adding, subtracting, multiplying, and dividing, if you have any other questions to ask just comment!