Question

There were 84 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 2/7 of the remaining runners dropped out how many runners finish the race 

Answer 1

40

Explanation:

84 runners to start a race

in the first half of the race 1/3 of them dropped out = 84/3 = 28 dropped out

so 56 left

in the second half of the race 2/7 of the remaining runners dropped out

2/7 *56 =16 dropped out

so 56-16 = 40 left

how many runners finish

40