Sheila Is 20 and Her Mother, Donna, Is 50 Years

Sheila is 20 and her mother, Donna, is 50 years of age Which statement accurately describes the relationship between their basal metabolic rates (BMR) ?

A) Donna's BMR is roughly twice that of Sheila.
B) Sheila's BMR is twice that of Donna.
C) Donna's BMR is 4 to 10% less than Sheila's.
D) Sheila's BMR is roughly 30% less than Donna's.