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Yanka [14]
3 years ago
14

HELP!!!!!!!! FAN AND MEDAL!!!!!!!. . The cost of coffee is determined by the type of coffee beans that are mixed together. The c

ost 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 = ________________ pounds
Mathematics
1 answer:
Alla [95]3 years ago
4 0
<span>The equation that shows the cost of a mix of Arabica and Robusta beans is: 700 A + 1,200 R = 1,000,000. We know that a mixture contains 1,000 pounds of Arabica beans ( A = 1,000 ). So: 700 * 1,000 + 1,200 R= 1,000,000; 700,000 + 1,200 R = 1,000,000 ; 1,200 R = 1,000,000 - 700,000 ; 1,200 R = 300,000 ; R = 300,000 : 1,200 ; R = 250. Answer: There should be: R = 250 pounds.</span>
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