Question

A baby weighted 7.25 lb at birth at the end of 8 months the baby weighted 2 1/2 times its birth weight.how many pounds did the baby weigh at the end of 8 months

Answer 1

`7.25 = 7 (1)/(4) = (29)/(4)`

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


`(29)/(4) * (5)/(2) = (145)/(8) = 18 (1)/(8) \: pounds`