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The cost of coffee is determined by the type of coffee beans that are mixed together. The cost of a local mix of Arabica and Robusta beans is modeled by the equation below where A = the pounds of Arabica and R = pounds 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? R = ________________

Theresa Perry

in Business

1 answer

1 answer

Dana Keller on October 9, 2018

A=1000 so now the equation is 700(1000)+1200R=1,000,000700,000+1200R=1,000,000 subtract 7000,000 to obtain:1200R=300,000 then divided by 1200 to getR=250

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