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Mathematics 27 Online
OpenStudy (sierra_grey):

help?; An electrician bought 120 feet of electrical wire and used 105 feet of it. What percent of the wire went unused?

OpenStudy (anonymous):

what are the answer choices

OpenStudy (sierra_grey):

a. 15% b. 12.5% c. 8.75% d. 7%

OpenStudy (anonymous):

C

OpenStudy (sierra_grey):

can I get help with one more question?

OpenStudy (anonymous):

what is it

OpenStudy (sierra_grey):

Eighty percent of a roof, or 2800 square feet of the roof, has been re-shingled. What is the total area of the roof?

OpenStudy (anonymous):

answer choices?

OpenStudy (sierra_grey):

answer choices are 22,400 2240 3500 35,000

OpenStudy (sierra_grey):

I keep getting 3,360 ._.

OpenStudy (anonymous):

2240

OpenStudy (anonymous):

80 percent of 2800 google it :3 thats the answer

OpenStudy (sierra_grey):

thanks! haha :)

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