Math

1. ABC Feeds has two different types of cattle feed containing crude protein in the amount of 45% and 20% respectively. How many of each type must a feed lot manager mix together to obtain 10 000lbs of a mixture that is 25% protein?

2. Meg has a solution that is 40% alcohol and another solution that is 60% alcohol. If Meg wants 12gal of a solution that is 45% alcohol, how much of the two solutions must he mixed?

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  1. 10,000*.25=(10,000-x).45 + x*.20

    where x is the amount of twenty percent.

    2.
    12*.45=x*.40+(12-x).60

    x is the amount of forty percent

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