SOLUTION: A forester is making a gasoline-oil mixture for a chainsaw engine. The forester has 3 gallons of a mixture that is 31 parts gasoline and 1 part oil. How many gallons of gasoline sh

Question 1019369: A forester is making a gasoline-oil mixture for a chainsaw engine. The forester has 3 gallons of a mixture that is 31 parts gasoline and 1 part oil. How many gallons of gasoline should the forester add to bring the mixture to 47 parts gasoline and 1 part oil? (Round your answer to two decimal places.)
Answer by josgarithmetic(39625) (Show Source): You can put this solution on YOUR website!
Focus on the concentration of the gasoline.
Let v be how much of the gasoline to add.

Do you understand and KNOW HOW to form this equation?

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