Judi is 9 years older than baz.
baz is twice as old as caleb.
all their ages add up to 64.
what are their ages?
can anyone me its hard

Sanderson is having trouble with his assignment. his shown work is as follows: − 3 7 7 3 = − 3 7 × 7 3 = − 21 21 = −1 however, his answer does not match the answer that his teacher gives him. complete the description of sanderson's mistake. find the correct answer.