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alina1380 [7]
3 years ago
15

The Gilbert's are designing a rectangular patio. The patio has an area of 432 square feet. The width of the patio is 3/4 it's le

ngth. What is the length of the patio?
Mathematics
1 answer:
otez555 [7]3 years ago
4 0
Area=legnth times width
a=lw
area=432

width is 3/4 its lenth
w=3/4 times l
subsitute
a=l(3/4 times l)
a=432
432=l(3/4 times l)
432=3/4l^2
multiply both sides by 4/3 to clear fraction
1728/3=l^2
576=l^2
take the squaer root of both sides
24=l
subsitute
w=3/4l
w=3/4(24)
w=18


legnth=24 feet
width=18 feet
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