Question

When Ryan was born, he weighed 7 pounds.At 6 months, he weighed 11.2 pounds. Amanda weighed 6 pounds when she was born, and 12.9 pounds at 6 months. Which baby had a greater percent increase in weight? Explain.

Answer 1

The percent change in Ryan’s weight was 4.2/7, or 60%. The percent change in Amanda’s weight was 6.9/6 , or 115%. Amanda had a greater percent increase in weight.

Answer 2

The baby that had a greater percent increase in weight is Amanda.

Using this formula

Percent increase in weight=Pounds after 6 months-Pounds at birth/Pounds at birth×100

Where:

Ryan

Pounds at birth=7 pounds

Pounds after 6 months=11.2 pounds

Amanda

Pounds at birth=6 pounds

Pounds after 6 months=12.9 pounds

Let plug in the formula

Ryan Percent increase in weight=11.2-7/7 ×100

Ryan Percent increase in weight=4.2/7×100

Ryan Percent increase in weight=60%

Amanda Percent increase in weight=12.9-6/6 ×100

Amanda Percent increase in weight=6.9/6×100

Amanda Percent increase in weight=115%

Based on the above calculation the baby that had a greater percent increase in weight is Amanda reason been that Amanda has 115% which is higher than that of Ryan which is 60%.

Inconclusion the baby that had a greater percent increase in weight is Amanda.

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