# maths

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A coffee manufacture wants a new blend of coffee that sell for \$3.90 per pound by mixing two coffees that sell for \$2.75 and #5.oo per pound respectively. What amount of each coffee should be blended to obtain the desired mixture? Assume that the total weight of the desired blend is 100 pounds

• maths -

amount of \$2.75 coffe --- x
amount of \$5.00 coffee --- 100-x
solve for x ......

2.75x + 5(100-x) = 3.9(100)

• maths -

If a pound of coffee costs \$12, how many ounces can be bought for \$3.90?

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