SOLUTION: A light aircraft travels 3 miles per hour less than twice the speed of a van. If the van can travel 122 miles in the same time it takes the aircraft to travel 238 miles, then what

Question 1103580: A light aircraft travels 3 miles per hour less than twice the speed of a van. If the van can travel 122 miles in the same time it takes the aircraft to travel 238 miles, then what is the average speed of each?
Answer by ikleyn(52925) (Show Source): You can put this solution on YOUR website!
.

Let "r" be the speed of the van.


Then the speed of the aircraft is 2r-3 miles per hour.


Your "time" equation is


 = .    (Each side is the time of the corresponding travel)


Solve for "r". Your first step is to make multi-cross multiplication to rid off the denominator.


The rest is easy.

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