Question
A truck moves at a speed of 80 km/h and covers a
distance of 160 km. If the speed is increased by 25%, how much time (in minutes) will the truck take to travel the same 160 km at the new speed?Solution
ATQ;
Original speed = 80 km/h
Original time = 160 ÷ 80 = 2 hours
New speed = 80 + 25% of 80 = 80 + 20 = 100 km/h
New time = 160 ÷ 100 = 1.6 hours = 96 minutes
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