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Andre and Lin are 12 miles apart on a path when they start moving towards each other. Andre runs at a constant speed of 5 miles per hour, and Lin walks at a constant speed of 3 miles per hour. How long does it take them to meet?

Sagot :

raphealnwobi

It took Andre and Lin 1.5 hours for them to meet.

Speed is the ratio of distance travelled to total time taken. Speed is given by:

Speed = distance/time

Let dā‚ represent the distance covered by Andre at time t and dā‚‚ represent the distance covered by Lin at time t.

Hence:

5 = dā‚/t

dā‚ = 5t

3 = dā‚‚/t

dā‚‚ = 3t

Andre and Lin are 12 miles apart, hence:

dā‚ + dā‚‚ = 12

5t + 3t = 12

8t = 12

t = 1.5 hours

It took Andre and Lin 1.5 hours for them to meet.

Find out more on speed at: https://brainly.com/question/3004254

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