Elaine has a desktop that is 4.5 feet by 5.5 feet, and she is going to cover it with patches of wallpaper that each measure 18 i

Question

2 years ago

13

nches wide and 24 inches long. how many patches will Elaine need to cover the entire desktop? justify your answer.

1 answer:

I am Lyosha [343] · Answer 1 · 2022-06-13T16:16:13+03:00

first transform feet into inches 4.5 feet = 48.5 inches; 5.5 feet = 60.5 inches;

then get the area in inches : 48.5 x 60.5 = 2934.25 inches; the area of one patch is 18 x 24 = 432 inches

so now divide the area of the desktop by the area of one patch

2934.25 / 432 = 6.7 so she needs 7 patches