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smartgirl101
Group Title
A flat rectangular piece of aluminum has a perimeter of 66 inches. The length is 15 inches longer than the width. Find the width.
Question 6 options:
33 inches
9 inches
24 inches
39 inches
 2 years ago
 2 years ago
smartgirl101 Group Title
A flat rectangular piece of aluminum has a perimeter of 66 inches. The length is 15 inches longer than the width. Find the width. Question 6 options: 33 inches 9 inches 24 inches 39 inches
 2 years ago
 2 years ago

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kymber Group TitleBest ResponseYou've already chosen the best response.1
There's probably a better way to do this, but I think it's easy just to do a guess and check kind of thing. So, if the length is fifteen inches longer than the width, and it gives us four options for the width, then we can add fifteen to each width to find four possible length options. 1) 33 + 15 = 48 2) 9 + 15 = 24 3) 24 + 15 = 39 4) 39 + 15 = 54 Then we can find possible perimeters by adding the length + length + width + width 1) 33 + 33 + 48 + 48 = ? 2) 9 + 9 + 24 + 24 = ? 3) 25 + 24 + 39 + 30 = ? 4) 39 + 39 + 54 + 54 = ? Which one adds up to 66 inches?
 2 years ago

smartgirl101 Group TitleBest ResponseYou've already chosen the best response.1
Number 2 Thanks!!!
 2 years ago

kymber Group TitleBest ResponseYou've already chosen the best response.1
You're welcome :D
 2 years ago
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