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Amy makes a rectangular poster with an area of 21+28m square inches. The width of the poster is 7 inches as shown in the following diagram. What is the length of the poster?

Amy makes a rectangular poster with an area of 21+28m square inches. The width of the poster is 7 inches as shown in the following diagram. What is the length of the poster?
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Amy makes a rectangular poster with an area of 21+28m square inches. The width of the poster is 7 inches as shown in the following diagram. What is the length of the poster?



Amy makes a rectangular poster with an area of 21+28m square inches. The width of-example-1
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User David DIVERRES
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7.6k points

1 Answer

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You could use simple factoring to solve this. You would factor out a 7 and then have

7(3+4m) = A

l x w = A

w= 3 +4m
answered
User Oguz Bilgener
by
7.9k points
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