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OpenStudy (ellerai):
Will give medal! Eighty percent of a roof, or 2800 square feet of the roof, has been re-shingled. What is the total area of the roof? a. 22,400 sq ft b. 2240 sq ft c. 3500 sq ft d. 35000 sq ft
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OpenStudy (abdullahm):
Let's call the total area of the roof x 80 percent of x is 2800 'of' in mathematics means multiplication 'is' in mathematics means equal 80% * x = 2800 Can you solve for x?
OpenStudy (ellerai):
would i turn 80 into a decimal then? to solve for x?
OpenStudy (ellerai):
??
OpenStudy (abdullahm):
You can do that. 80% = 0.8
OpenStudy (ellerai):
So it would be 3500
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OpenStudy (abdullahm):
Correct!
OpenStudy (ellerai):
thank you!
OpenStudy (abdullahm):
It was my pleasure!
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