To answer the question, let x be the number of pounds of coffee worth $9. Having said that, the number of pounds of coffee worth $3 is 120 - x. The equation relating the items before and after mixing is,
(x)($9) + (120 - x)($3) = (120)($5)
The value of x is 40. Therefore, the amount of coffee worth $9 and $3 to be used are 40 and 80 pounds, respectively.
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27, 15, 13
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i got it right i took the test
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I helped
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you okay do can I get some points cuh
8 apps=$20 I think I’m not really sure if it’s the correct wording and all that stuff
