SOLUTION: I have tried setting this word problem into a table a few different ways, just not sure I am doing it right...
A landscaper needs to mix a 75% pesticide solution with 30 gallons o
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Question 497088: I have tried setting this word problem into a table a few different ways, just not sure I am doing it right...
A landscaper needs to mix a 75% pesticide solution with 30 gallons of a 25% pesticide solution to obtain a 60% pesticide solution. How many gallons of the 75% solution must be used?
I got 31.5 gallons? Can that be right? Thank you!
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
Can it be right? Well, let's see: Your claim is that you need to mix 31.5 gallons of 75% solution with 30 gallons of 25% solution to make 61.5 gallons of 60%.
And the answer to the question you posed is a big resounding NO.
Now, for the treasure map to the answer to the real question:
Let 
represent the amout of 75% solution, then the resulting amount of 60% solution must be plus the 30 gallons of 25% solution. Therefore:
\ =\ 0.6(x\ +\ 30))
Solve for .
John
My calculator said it, I believe it, that settles it
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