Evaluate the expression you wrote to find the amount ms.perkins will pay if she drives 300 miles.

Answer 1

she drives 300 miles

her car gets x mpg

she buys gas at y dollars per gallon

it Costs her

C = 300y/x dollars

to go 300 miles

if she gets 20 mpg and buys at $3 per gallon

she needs 300/20 = 15 gallons costing 15(3)= $45

C=300y/x= 300(3)//20= 45