Mathematics, 12.07.2019 15:00 leothedrifter
Working at their respective constant rates, machine a makes 100 copies in 12 minutes and machine b makes 150 copies in 10 minutes. if these machines work simultaneously at their respective rates for 30 minutes, what is the total number of copies that they will produce? (a) 250 (b) 425 (c) 675 (d) 700 (e) 750
Answers: 2
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The price of a dozen eggs was $1.63. suppose the price increases m dollars per dozen and then the price decreases $0.12 per dozen. which expression represents the current price of eggs after the two price changes?
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Which expressions equal 9 when x=4 and y=1/3 a. x2+6y b. 2x + 3y c. y2-21x d. 5 (x/2) -3y e. 3x-9y
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Working at their respective constant rates, machine a makes 100 copies in 12 minutes and machine b m...
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