Question

A tree that is 8 feet tall is growing at a rate of 1 foot each year. A different tree that is 10 feet tall is growing at a rate of 1/2 foot each year.

Find how many years it will take for the trees to be the same height.

Answer 1

\[8+1~n=10+\frac{ 1 }{ 2 }n\]
calculate n