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Mathematics, 20.10.2021 15:00 hollymay808p0t9to

if a silver alloy that costs $7.25 an ounce is going to be mixed with 45 ounces of silver alloy that costs $12 an ounce to make a mixture that costs $8 an ounce, how many ounces of the $7.25 an ounce alloy must be used

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if a silver alloy that costs $7.25 an ounce is going to be mixed with 45 ounces of silver alloy that...
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