jesusv12 jesusv12

15-03-2022
Mathematics

contestada

A commuter train travels 55 kilometers in 42 minutes. What is its speed in kilometers per hour?

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oneyedwill22 oneyedwill22

15-03-2022

Answer:

about 78.57 miles per hour

Step-by-step explanation:

take 55 kilometers and divide by 42 minutes.

55/42= 1.309

so 1.309 kilometers per minute

then times by 60 minutes to make one hour

1.309×60=78.57

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