Mathematics, 16.09.2019 14:30, desireeandrada9

The cost of coffee is determined by the type of coffee beans that are mixed together. the cost of a local makes of arabica and robusta beans is modeled by the equation below, where a = the pounds of arabica and r = of robusta 700a + 1200r = 1,000,000 if a mixture contains 1000 pounds of arabica beans how many pounds of robusta beans should be in the mixture

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The cost of coffee is determined by the type of coffee beans that are mixed together. the cost of a...