Question

A baby weighed 7.25 lb at birth. At the end of 8 months, the baby weighed 2 1/2 times its birth weight. How many pounds did the baby weigh at the end of 8 months?​

Answer 1

Its 18.125

Because if you multiply 7.25 times 2 plus add the half which was 3.625 it equals 18.125