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Dollars per ounce????????????????????/

label Mathematics
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Find the cost per ounce of a mixture of 280 oz of a cologne that costs $7.50 per ounce and 420 oz of a cologne that costs $4.00 per ounce.

Apr 21st, 2015

total cost = 280*7.5+420*4= 3780, 

the cost per ounce = 3780/(280+420) = 5.4

Apr 21st, 2015

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Apr 21st, 2015
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Apr 21st, 2015
Jun 29th, 2017
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