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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?
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Mathematics, 21.06.2019 17:00
Evaluate the expression for the given value of the variable 7a - 4a for a =8
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Mathematics, 21.06.2019 17:30
How many kilometers are equal to 5 miles? use 1 mile ≈ 1.61 kilometers. !
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Mathematics, 21.06.2019 23:30
Find each value of the five-number summary for this set of data. [note: type your answers as numbers. do not round.] 46, 19, 38, 27, 12, 38, 51 minimum maximum median upper quartile lower quartile
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0.02x+x Simplify the expression...
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