Mathematics, 01.10.2019 08:30, rosehayden21
1. you receive two packages of black/white sand mixes. package a is one-third black sand and two-thirds white sand. package b is nine-tenths black sand and one-tenth white sand. how much of each package is needed to create a mixture that is sixty percent black sand and forty percent white sand?
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1. you receive two packages of black/white sand mixes. package a is one-third black sand and two-thi...
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