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Igoryamba
2 years ago
9

A truck covers a particular distance in 3 hours with the speed of 60 miles per hour. If the speed is increased by 30 miles per h

our, find the time taken by the truck to cover the same distance.
using y=kx​
Mathematics
1 answer:
Scorpion4ik [409]2 years ago
5 0

9514 1404 393

Answer:

  2 hours

Step-by-step explanation:

Time, speed, and distance are related by ...

  d = st

The distance covered is ...

  d = (60 mi/h)(3 h) = 180 mi

Then the time taken at the higher speed is ...

  180 mi = (60 mi/h +30 mi/h)(t)

  t = (180 mi)/(90 mi/h) = 2 h

The time taken at the higher speed is 2 hours.

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