Answer:
Estimated blood volume is 727.5 milliliters.
Explanation:
We are given the following in the question:

where E is the estimated volume of the blood, W is the weight in kilograms and A is the average blood volume in in milliliters per kilogram.
We have to estimate blood volume of a toddler such that
W = 9.7 kg
A = 75 mL/kg
Putting the values, we get,

Thus, estimated blood volume is 727.5 milliliters.