Question

a person's mass while dieting decreases by 5%. Exercise creates muscle and reduces fat, causing the person's density to increase by 2%. calculate the percent change in the persons volume.

Answer 1

density = mass/volume
volume = mass/density
let v1 = original, v2 = modified
v2/v1 = (m2/m1)/(d2/d1) = (0.95)/(1.02) = 0.93
so volume goes down 7%
seems odd, though

Answer 2

thanks ! :))

Answer 3

You are very welcome.