SOLUTION: A chemist needs to mix a 75% saltwater solution with a 50% saltwater solution to obtain 10 gallons of a 60% solution. How many gallons of each must be used?
I just need to know
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Question 451011: A chemist needs to mix a 75% saltwater solution with a 50% saltwater solution to obtain 10 gallons of a 60% solution. How many gallons of each must be used?
I just need to know how to figure this out if you have the time. Thanks.
Answer by rwm(914) (Show Source): You can put this solution on YOUR website!
a+b=10
.75a+.5b=.6*10
a=4 b=6
check
3+3=6
ok
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