Question

Traveling at a speed of 42 miles per hour, a truck can travel a certain distance in 14 hours. in order to travel the same distance in 12 hours, the speed of the truck must be increased to

Answer 1

$\boxed{\text {Distance = Speed } \times \text{Time}}$

Distance = 42 x 14 = 588 km

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$\boxed{\text {Speed = Distance } \div \text{Time}}$

Speed = 588 ÷ 12

Speed= 49 miles/hour

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Answer: The speed of the truck must be increased to 49 miles/hour