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Mathematics, 26.12.2019 23:31 ridzrana02

Amanufacturer buys materials at $10 for 4 and sells them at $20 for 5. how many must it sell in order to make a profit of $600?

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Amanufacturer buys materials at $10 for 4 and sells them at $20 for 5. how many must it sell in orde...
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