Question

Pls help!!!

A architect wants to create a rectangular room in a house. She wants it to have a total area of 255 square feet, and it should be 10 feet longer than it is wide. What dimensions should she use for the room? Round to the nearest hundredth of a foot.


a) 10.97 feet by 20.97 feet

b) 16.73 feet by 26.73 feet

c) 15.97 feet by 25.97 feet

d) 11.73 feet by 21.73 feet

Answer 1

Answer:

b

Step-by-step explanation:

let the width be w

length=w+10

area=w(w+10)

w²+10w=255

use quadratic formular