Question

A tree is 7 feet 7 inches tall. How tall is it in inches?

Answer 1

We have to convert the height, that is in feet and inches, to inches alone.

We know that 1 ft is 12 inches, so we can write:

`7ft+7in=7ft\cdot(12in)/(1ft)+7in=7\cdot12in+7in=(84+7)\text{ in}=91\text{ in}`

Answer: the tree height is 91 inches.