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Mathematics, 21.06.2019 15:30
Amerchant has coffee worth $60 a pound that she wishes to mix with 50 pounds of coffee worth $90 a pound to get a mixture that she will sell for $70 a pound. how many pounds of the & 60 coffee should be used?
Answers: 3
Mathematics, 22.06.2019 02:00
The product of 3 and a number increased by 8 is 31 written as an equation
Answers: 2
8/9(54x-36)+2= -3/4(-40+16x)+90x
solve for x...
solve for x...
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