A microwave is placed on top of two boxes. One box is 4 feet 6 inches tall, the other box is 3 feet 8 inches tall, and the microwave is 3 feet 11 inches tall. How tall are they combined?

Write your answer in feet and inches. Use a number less than 12 for inches.

step-by-step explanation:

answer: it's a

step-by-step explanation:

the simplified form is

step-by-step explanation:

we want to simplify the expression,

let us change the middle bar to a normal division sign to obtain,

we multiply the first fraction by the reciprocal of the second fraction to obtain,

we factor to obtain,

we cancel the common factors to get,

we simplify to get,

the correct answer is b

hello umm i don't understand your question can you explain it more pls

step-by-step explanation: