Answer:
5X ft
Step-by-step explanation:
Given the new scale of 1 inch equals = 5 feet
let
denote the width of the living room on the blueprint.
To find the width of the living room:

Hence the living room has a width of 5X ft
Answer:
First, third, and fourth one would be the answers.
Use the Pythagorean theorem to find the third side then add all three sides together
I hope this helps you
2x+8= -7-3x
5x= -15
x= -3