Corey359 Corey359

10-02-2017
Mathematics

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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 2128m square inches The width of the poster is 7 inches as shown in the following diagram What is the length of t class=

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jbkaleikau jbkaleikau

10-02-2017

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

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