David rents a car that charges $90 plus $0.30 per mile. He drove the car for 3 hours, and the total charge was $120. How many miles did David drive the rental car? Define the variable
and write and solve an equation for full credit.

Help please!

90+.30=1.20 per mile

if he goes 30 miles he would pay 120$

90x30=120

idk if this is right but I hope so

could

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