Question

A baby weighed 7.25 pounds at birth at the end of eight months the baby weighed 2 1/2 times it's birth weight how many pounds did the baby weigh at the end of eight months

Answer 1

7.25 * 2.5=18.125
rounded to the nearest hundredth=18.13
rounded to the nearest tenth=18.1

Answer 2

at the end of the 8 months the baby weighed 18.1 pounds