A baby usually gains 10% of its birth weight plus 2 pounds in the first six weeks after birth. A baby gained 2.8 pounds. Write an equation to find the baby’s birth weight, x.

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Answer:

The equation to find the baby's birth weight is 0.1x + 2 = 2.8 and the weight is 8 pounds.

Step-by-step explanation:

1. Let's check all the information provided to us to answer the question correctly:

Weight that a baby gains in the first 6 weeks after birth = 10% + 2 pounds

Weight that a baby gains in the first 6 weeks after birth = 2.8 pounds

2. Write an equation to find the baby’s birth weight, x.

Baby's birth weight = x

Baby'

0.1x + 2 = 2.8

0.1x = 2.8 - 2

0.1x = 0.8

x = 8

The equation to find the baby's birth weight is 0.1x + 2 = 2.8 and the weight is 8 pounds.

Answer:

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Step-by-step explanation: