Atrunk is rented at 40$ per day plus a charger per mile of use. the truck traveled 15 miles in one day & the total charge was $115 which equation can be used to find the charge x, in dollars per mile traveled?

40 is a constant. Charged per mile = x. 15 miles were driven. $115 in all

Set the equation

15x + 40 = 115

Note the equal sign. What you do to one side, you do to the other. Do the opposite of PEMDAS

15x + 40 (-40) = 115 (-40)

15x = 75

Divide 15 from both sides

15x/15 = 75/15

x = 5

5 is your answer

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what's that

the answer is d

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