Answer :
Given :-
- Height of the tree = 42 inches.
- Height of the tree after 6 years = 15 feet 6 inches.
To Find :-
- Number of inches the tree grew each year.
Solution :-
Height of the tree after 6 years,
→ 15 feet 6 inches = 186 inches.
→ 186 - 42 = 144 inches.
Height of the tree after 1st year = 144/6 = 64
∴ The tree grows 24 inches in each year.