Compute.
-$7 \mathrm{ft} 7$ in. $+ 3 \mathrm{ft} 9$ in.$+3 \mathrm{ft} 5$ in.
A) $14 \mathrm{ft} 7$ in.
B) $15 \mathrm{ft}$
C) $14 \mathrm{ft} 8$ in.
D) $14 \mathrm{ft} 9 \mathrm{in}$.

Question

Quizplus · Accepted Answer

First, add the feet: $7 + 3 + 3 = 13$ feet. Then, add the inches: $7 + 9 + 5 = 21$ inches. Since 21 inches is 1 foot and 9 inches, add 1 foot to 13 feet to get 14 feet, and the remaining 9 inches gives the final result of $14 \mathrm{ft} 9 \mathrm{in}$.

Compute - 7ft77 \mathrm{ft} 77ft7 In +3ft9+ 3 \mathrm{ft} 9+3ft9 In +3ft5+3 \mathrm{ft} 5+3ft5

Compute
- $7 \mathrm{ft} 7$ In $+ 3 \mathrm{ft} 9$ In $+3 \mathrm{ft} 5$