On the track and field team, 3/8 of the members do the hurdles. Of the members who do the hurdles, 4/5 also do the long jump.
If there are 40 members on the tr ack team, how many do both the hurdles and the long jump?

Step-by-step explanation:

15 members do the hurdles, 12 of them do long jump

Step-by-step explanation:

There are 40 members.

3/8 of all members do the hurdles

3/8 . 40 = 3.5 = 15

15 members do hurdles, 4/5 of them do the long jump

4/5 . 15 = 4.3 = 12