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ExtremeBDS [4]
3 years ago
9

The distance between two cities is 145 miles. A truck can cover this distance in 2.5 hours. The speed of a car is 1.5 times fast

er than the speed of the truck. How long does it take them to meet, if they start moving towards each other simultaneously?
_hours
Mathematics
1 answer:
iren2701 [21]3 years ago
8 0
The truck can cover 145 miles in 2.5 hours, so the speed of the truck is 
145÷2.5=58 miles per hour
the car's speed is 1.5 times faster: 58×1.5=87 miles per hour
suppose in x hours they will meet:
distance covered by truck in x hour: 58x
distance covered by car in x hour: 87x
total distance: 145 miles
58x+87x=145
x=1
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