Jerubocampoviz
Jerubocampoviz
Math
Answered
Word problems algebra 1 with solutions
Sagot :
Reyna27viz
Reyna27viz
A chemist mixes a 20% alcohol solution with a 30% alcohol solution.how many cups of each are needed to make 10 cups of a 22% alcohol solution?
ANSWER:
.20w+(.30)(10-w)=(.22)(10)
.20w+3.00-.30w=2.20
3.00 -.10w=2.20
.80=.10w
w=8
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