Answer:
m = (3t)/2, or (3/2)t
Explanation:
Represent the unknowns as follows:
d: Damon's age; t: Tiffany's age; and m: Mitchel's age.
Then: m = d/2; d = 3t. Replace "d" in the first equation by "3t" from the second equation:
m: Mitchel's age: m = (3t)/2, or (3/2)t.