Question

A dolphin jumps 54 times in a 6 hour

period. At this rate, how many jumps would be
expected in a 2 hour period?​

Answer 1

18 jumps would be expected in a 2 hour period.

Explanation:

Given : A dolphin jumps 54 times in a 6 hour period.

To find : At this rate, how many jumps would be expected in a 2 hour period?​

Solution :

Applying unitary method,

In 6 hour period Dolphin jumps 54 times.

In 1 hour period Dolphin jumps
`(54)/(6)` times.

In 1 hour period Dolphin jumps 9 times.

In 2 hour period Dolphin jumps
`2* 9` times.

In 2 hour period Dolphin jumps 18 times.

Therefore, 18 jumps would be expected in a 2 hour period.