SOLUTION: An Airplane flew for 8 hours at an airspeed of x miles per hour (mph), and for 7 more hours at 325 mph. If the average airspeed for the entire flight was 350 mph, what equation can
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Question 738770: An Airplane flew for 8 hours at an airspeed of x miles per hour (mph), and for 7 more hours at 325 mph. If the average airspeed for the entire flight was 350 mph, what equation can be used to find x?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
8x+7*325=15*350
x = 2975/8
x = 371.87 mph
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