There were 90 runners to start a race. In the first half of the race, 1/3 of them dropped out. In the second half of the race, 3/5 the remaining runners dropped out. How many runners finished the race?

Question

Charlee

Mathematics

1 July, 07:36

There were 90 runners to start a race. In the first half of the race, 1/3 of them dropped out. In the second half of the race, 3/5 the remaining runners dropped out. How many runners finished the race?

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Answers (2)

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Katie Sanders · Answer 1

24 runners

Step-by-step explanation:

1/3 of 90 dropped = 30 dropped

90-30=60

Second half 60 runners

3/5 of 60 dropped = 36 dropped

36 runners dropped in second half

60-36=24

24 runners finished the race

Myron · Answer 2

24

Step-by-step explanation:

Start with 90 runners.

1/3 dropped out.

1/3 of 90 = 1/3 * 90 = 30

30 runners dropped out.

90 - 30 = 60

Now there are 60 runners.

3/5 of the remaining runners dropped out.

3/5 of 60 = 3/5 * 60 = 36

36 runners dropped out.

60 - 36 = 24

24 runners finished the race.