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ser-zykov [4K]
3 years ago
15

Katherine needs to cut a piece of cardboard for an art project at school. She has four pieces of cardboard that she can cut from

6 inches, 5 inches, 7 inches, and 3 inches. If the length of the cardboard she needs is square root 35 inches, which piece of cardboard should she cut to create the least amount of unused cardboard?
3 inches

5 inches

6 inches

7 inches
Mathematics
1 answer:
Rasek [7]3 years ago
3 0
Cut five inches to creat the least amount of unused cardboard.
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There are 122 one dollar bills, 11 five dollar bills and 5 ten dollar bills.

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There are bills of one dollar, five dollars and ten dollars on the cash drawer, therefore the sum of all of them multiplied by their respective values must be equal to the total amount of money on the drawer. We will call the number of one dollar bills, five dollar bills and ten dollar bills, respectively "x","y" and "z", therefore we can create the following expression:

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Applying these values on the first equation, we have:

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Applying z to the formulas of y and x, we have:

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