Question

Devin wants to have equal amounts of room on all four sides of his ping pong table. A 5ft by 9ft table is placed in the center of a rectangular room that has an area of 221 square feet. What is the width of the clear space Devin will have on all sides of his table.

Answer 1

(2x+9)(2x+5)=176

Answer 2

Area of Room = 221
Area of Table = 45

221 - 45 = 176

Answer 3

Solve for x

Answer 4

Do you know if the answer is supposed to be a whole number or not?

I get about 3.2 feet on all sides

Answer 5

Im doing it

Answer 6

Okay

Answer 7

i got 4

Answer 8

I see, my formula was wrong

You're supposed to either use
(2x+5)(2x+9) = 221 or
(2x-5)(2x-9) = 176

Answer 9

Yeah, your way of doing it is correct

x = 4