Question

A baby weighed 7.25 lb at birth. At the end of 8 months, the baby weighed 2\frac{1}{2} times its birth weight.

How many pounds did the baby weigh at the end of 8 months?

Answer 1

The weight of the baby at the end of the 8 months was 18.125lbs.

Explanation:

The weight of baby at birth = 7.25 lb

At the end of 8 months, the baby weighed 2.5 times its birth weight.

We need to find the weight of the baby at the end of 8 months.

`(2)/(5)` =
`(4+1)/(2)` =
`(5)/(2)`

The weight of the baby at the end of 8 months is 5/2 times of its initial weight.

Total weight = 7.25 x
`(5)/(2)`

Total weight = 18.125

Solution:

Therefore, the weight of baby at the end of 8 month is 18.125 lbs.

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