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January 30, 2015

January 30, 2015

Posted by **garrick** on Monday, September 15, 2008 at 9:23pm.

- math -
**Anonymous**, Monday, September 15, 2008 at 9:28pm.5x + 1y = .8(300)

x + y = 300

x = 300 - y

.5(300-y) + 1y = 240

150 - .5y + 1y = 240

1/2y = 90

y = 180 ml

300-180 = x = 120ml

use 120ml 50%

use 180ml 100%

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