Answer:
87.50%
Explanation:
The increase in weight between December was Bennett was given birth to and the following March is the difference between the weight now and prior weight i.e 15 pounds -8 pounds=7 pounds
The % increase in weight =the increase in weight/initial weight
the increase in weight is 7 pounds
the initial weight was 8 pounds
the % increase in weight=7/8=87.50%
The percentage increase in weight is 87.50% rounded to two decimal places