Math please help

Colombian coffee beans cost $5.50/lb while Peruvian coffee beans cost $4.25/lb. We want to mix the beans together so as to produce a 40 lb bag costing $4.60/ lb. How many pounds of each type of beans shouold be used ?

Please help and show work

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  1. amount of Columbian stuff --- x lbs
    amount of Peruvian stuff ----- 40-x lbs

    5.5x + 4.25(40-x) = 4.6(40)

    solve for x

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    posted by Reiny

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