mary mixed 2l of an 80% acid solution with 6l of a 20% acid solution. what was the percent of acid in the resulting mixture
16%
2/3 of 70% and 1/3 of 10%
ultiply the resulting answer by 100 to get the percent.
575% as a mixed number is 5 3/4
Expressed as a mixed number in its simplest form, 165 percent is equal to 1 13/20, or one and thirteen twentieths.
210Type your answer here...
A pharmacist mixed a 20 percent solution with a 30 percent solution to obtain 100 liters of a 24 percent solution. How much of the 20 percent solution did the pharmacist use in the mixture (in liters).
Mixing 80 liters of 15% solution and 520 liters of 90% solution will give 600 liters of 80% solution.
4 ounces
16%
10
Let L be the liters to be added. Then (L) x (0.2) + (40 x 0.9) = (L + 40) x 0.6 0.2L + 36 = 0.6L + 24 36 - 24 = (0.6 - 0.2)L 12 = 0.4L L = 12/0.4 = 120/4 = 30 Liters
80 liters
That all depends on what you want the final concentration of alcohol to be.
88 ml
0.1125% of polymer solution.
2.5 is the answer....5(.04)+.10(x)= .06(5+x).2+.1x=.3+.06x.04x=.1or 4x=10 so x =2.5