Tom’s weight is 1/7th of his grandfather and 1/4th of his mother.
What fraction is Tom’s mother’s weight of his grandfather?
A4/7
B3/7
C3/4
D7/12
Tom’s weight is 1/7th of his grandfather and 1/4th of his mother.
What fraction is Tom’s mother’s weight of his grandfather?
A4/7
B3/7
C3/4
D7/12