contestada

1.
Mike has coffee worth $4 per pound that he wishes to mix with 20 pounds of
coffee worth $7 per pound to get a mixture that can be sold for $5 per pound,
How many pounds of the cheaper coffee should he use?

Respuesta :

mrjellysquid

Answer:

40 pounds

Step-by-step explanation:

1. Set up your equation, 4x+140=5x+100

2. Solve for x, x=40

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