Scott likes to run long distances. He can run 20 \text{ km}20 km20, start text, space, k, m, end text in 858585 minutes. He wants to know how many minutes (m)(m)left parenthesis, m, right parenthesis it will take him to run 52 \text{ km}52 km52, start text, space, k, m, end text at the same pace. How long will it take Scott to run 52 \text{ km}52 km52, start text, space, k, m, end text?

Given:

Scott can run 20 km in 85 minutes.

To find:

How long will it take Scott to run 52 km?

Solution:

Let us consider x be the number of minutes it will take him to run 52 km.

We know that,

By using this formula, we get

          ...(i)

            ...(ii)

On equating (i) and (ii), we get

On dividing both sides by 20, we get

Hence, it will take 221 minutes to run 52 km.

answer: h

step-by-step explanation:

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