Mathematics, 03.03.2021 01:00 amandaiscool22

A mixture requires 20% of compound A, 30% of compound B, and 50% of compound C. If there is 250 pounds of compound B, how much should there be of compound A?

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A mixture requires 20% of compound A, 30% of compound B, and 50% of compound C. If there is 250 poun...