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22-12-2017
Mathematics

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Alonzo's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee costs Alonzo $4.20 per pound, and type B coffee costs $5.70 per pound. This month's blend used twice as many pounds of type B coffee as type A, for a total cost of $468.00 . How many pounds of type A coffee were used?

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22-12-2017

B=2A
4.2A+5.7(2A)=468
15.6A=468
A=30 pounds

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