2 years ago

A tree is 78 feet tall and grows 7 feet per year. A second tree is 111 feet tall and grows 4 feet per year.

2 answers:

7 0

X = number of years
78 + 7x = 111 + 4x
-78 from both sides
7x = 33 + 4x
Subtract 4x from both sides
3x = 33
Divid both sides by 3
X= 11
In 11 years both trees will be the same height.

grigory [225]2 years ago

3 0

In 11 year's each tree will grow to the same height

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Step-by-step explanation:

An image showing the step by step solution is attached.