Question

two boxes are stacked one on top of the other. one box is 4 feet 5 inches tall, and the other is 6 feet 9 inches tall. how high is the stack? write your answer in feet and inches. use a number less than 12 for inches.
ft in

Explanation:

Step1: Add feet measurements

$4 + 6 = 10$ ft

Step2: Add inch measurements

$5 + 9 = 14$ in

Step3: Convert excess inches to feet

Since $12$ in $= 1$ ft, $\frac{14}{12} = 1$ ft with a remainder of $2$ in

Step4: Sum total feet

$10 + 1 = 11$ ft

Answer:

11 ft 2 in