Problema Solution
To mix the weed killer with water correctly, it is necessary to mix 9 teaspoons of weed killer with 3 gallons of water. Find how many gallons of water are needed to mix with the entire box if it contains 27 teaspoons of weed killer?
Answer provided by our tutors
Let 'x' represent the number of gallons of water needed to mix with 27 teaspoons of weed killer.
Since the amount of water is directly proportional to the amount of the weed killer mix we can write:
9 : 3 = 27 : x
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x = 9 gal
9 gallons of water are needed to mix with the entire box of 27 spoons of weed killer.