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?
479
312
454
645

Answer this question! 30 points and brainliest! only if you know the answer.

Which expressions are equivalent to -6 + 3m

Two planes leave an airport at the same time, one flying east, the other flying west. the eastbound plane travels 20 mph slower. they are 1600 mi apart after 2 hr. find the speed of each plane.