Florencia Manolakis: Lets assume speed of truck is "X" miles/hr.The the speed of Car is "X+10" miles/ hr.Time taken to cover 120 miles by Truck = 120/XTime taken to cover 120 miles by Car = 120/ (X+10)Bur Truck take 2 Hrs more than car120/X - 120/(X+10) = 2By Solving this equation we get X = 20Speed of truck = 20 Miles/HrSpeed of Car = 30 miles/Hr...Show more
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