Alleniscoolid Alleniscoolid Mathematics Answered The formula to compute a person's body mass index is B = 700 x W/H2 (W/H2 means W/h squared, the h is squared) Part A: Solve B = 700 x W/h2 for the variable W. Part B: What is the weight to the nearest pound of a person who is 64 inches tall and has a body mass index of 21.45?