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| Math Central | Quandaries & Queries |
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Question from Joe, a student: i have a math question for homework that i don't understand. |
Hi Joe,
The length plus the width is the distance half way around the rectangle so
\[\mbox{length } + \mbox{ width } = 9.\]
The area of a rectangle is the length times the width so
\[\mbox{length } \times \mbox{ width } = 20.\]
Hence the question is asking, do you know two number with their sum equal to 9 and their product equal to 20.
Penny
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