Mathematics, 03.09.2020 14:01 stmy1969
A chemist has three different acid solutions. The first acid solution contains 25% acid, the second contains 45% and the third contains 75%. He wants to use all three solutions to obtain a mixture of 156 liters containing 35% acid, using 2 times as much of the 75% solution as the 45% solution. How many liters of each solution should be used?
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Mathematics, 21.06.2019 14:00, hamidaakter936848
Can someone me with my hwplz(only the circled ones)
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Mathematics, 21.06.2019 14:20, priscillavaladez1112
Twenty-five percent of the customers entering a grocery store between 5 p. m. and 7 p. m. use an express checkout. consider five randomly selected customers, and let x denote the number among the five who use the express checkout.
Answers: 1
A chemist has three different acid solutions. The first acid solution contains 25% acid, the second...
Mathematics, 17.04.2020 02:13
Mathematics, 17.04.2020 02:13
Mathematics, 17.04.2020 02:13