SOLUTION: Francine has a picture whose length is twice its width. She wants to enlarge the picture to have an area of 242 in2. What will the dimensions of the enlarged picture be? Model the

Question 1076498: Francine has a picture whose length is twice its width. She wants to enlarge the picture to have an area of 242 in2. What will the dimensions of the enlarged picture be? Model the scenario and solve. Then, explain in at least one sentence your solution and include the reasonableness of your solution.
Answer by addingup(3677) (Show Source): You can put this solution on YOUR website!
w*2w = 242
w^2*2 = 242
w^2 = 121
w = sqrt121 or x = -sqrt121
w = 11 or x = -11
you don't need a negative number, so let's try 11:
11*2(11) = 242
11*22 = 242 Correct
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