Question

car B is twice as fast as car A.if car A covers 90 km in 2 hours, what is the speed of car B
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Answer 1

Answer:

120km/h

Step-by-step explanation:

Car B is running twice as fast as car A. If car A covers a distance of 90 km in one and a half hour (1 1/2  = 3/2 hrs)

Car A Travels 90 km in 3/2 hrs

Speed of Car A =  90/(3/2)  = 60 km/Hr

Speed of Car B = 2 * Speed of CarA  =  2 * 60 = 120 km/Hr