haleygarreau
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A coffee shop purchased 60 pounds of Guatemalan coffee beans and 90 pounds of Nicaraguan coffee beans. The total purchase was $180. The next week it purchased 80 pounds of Guatemalan coffee and 20 pounds of Nicaraguan coffee, and the cost was $100. Write and solve a system of equations to find cost per pound of both the Guatemalan and Nicaraguan coffee beans.

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Mgomez2670

60lbs +90lbs = 150 lbs in total.

$180÷ 150lbs = $1.20 per pound

80lbs+ 20lbs= 100lbs in total

$100 ÷ 100lbs= $1 per pound

So the average cost per pound of the coffee beans is about $1 each

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