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: (2 points)
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?

hello from mrbilldoesmath!

answer:

x - 3

discussion:

x^2 - 9 = (x-3) (x+3)   so

(x^2-9)/ (x + 3) = x-3

you,

mrb

.there can be infinite values of m and n that can satisfy the above equation. for each value of m of m or n. there maybe infinite sets of solution for the above

step-by-step explanation:

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15: 24

62.5%

step-by-step explanation: