Question

90% of runners in a marathon successfully completed it. 30% of these runners were men. How many total runners began the marathon if 270 men completed it?

Answer 1

Given:

90% of the runners completed the marathon

30% of the these were men.

There were 270 men that completed the marathon.

To FInd:

The total number of runners.

Solution

Find the number of runners completed the marathon:

Number of men completed = 30%

Number of men completed = 270

30% = 270

100% = (270 ÷ 30) x 100

100% = 900

Find the total number of runners:

Number of runners who completed = 90%

Number of runners who completed = 900

90% = 900

100% = (900 ÷ 90) x 100

100% = 1000

Answer: There were 1000 runners.

Answer 2

Answer:

there were 1000 runners