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Mathematics, 12.03.2021 14:00 g0606997

In one purchase, 12 pounds of cotton yarn and 7 pounds of wool yarn were purchased for $259.45. In another purchase at the same prices, 18 pounds
of cotton yarn and 9 pounds of wool yarn were purchased for $362.25.
What is the cost per pound for the wool yarn?

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In one purchase, 12 pounds of cotton yarn and 7 pounds of wool yarn were purchased for $259.45. In...
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