14-04-2019
Mathematics

contestada

The area of a room is 396 square feet. The length is (x + 8) feet and the width is (x + 4) feet. Find the dimensions of the room.

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vkcentral03 vkcentral03

14-04-2019

Answer:

22 ft by 18 ft

Step-by-step explanation:

Area = l * w

Area = (x+8) * (x+4) = x^2 +12x+32

396 = x^2 +12x+32

400 = (x+6)^2

20 = x+6

x = 14

x+8 = 22

x+4 = 18

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