Posted by deniece on Friday, December 9, 2011 at 10:55am.
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  Reiny, Friday, December 9, 2011 at 11:22am
amount of $2.75 coffe  x
amount of $5.00 coffee  100x
solve for x ......
2.75x + 5(100x) = 3.9(100)

maths  Anonymous, Wednesday, June 15, 2016 at 8:00pm
If a pound of coffee costs $12, how many ounces can be bought for $3.90?
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