Raymond B. answered • 04/16/23
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5
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Math, microeconomics or criminal justice
.8(20)+.4x=.5(x+20)
16= .5x+10-.4x
.1x=6
x=60L of 40%
Jeff R.
asked • 10/29/21How much of a 40% antifreeze solution must a mechanic mix with an 80% antifreeze solution of 20L if a 50% antifreeze solution are needed
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