spidey1162 spidey1162

02-07-2018
Mathematics

contestada

A blue whale gains 2.3 tons a month for the first year of life. If a blue whale weighed 15 tons at birth, how much will it weigh on its first birthday?

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wolf1728 wolf1728

02-07-2018

2.3 * 12 = 27.6 tons per year
Weight at birth = 15 tons plus 27.6 tons = 42.6 tons on first birthday

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