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You are going to mix a gallon bucket of window cleaner. The instructions direct you to mix 1 part cleaner to 3 parts water. How much cleaning solution will you need to use?

A) 1 ½ quarts B)1 pint C) 2 quarts D) 1 quart

User ZahiC
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2 Answers

3 votes
One gallon equals to 4 quarts.

The instructions tell you to add 1 part of cleaner and 3 parts of water, in total 4 parts. It makes it easy as you can take that one part = one quart.

You will use 3 quarts of water and 1 quart of cleaner. The answer is D.


User Spluf
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let
x--------> gallons of cleaner
y-------> gallons of water

we know that

x+y=1 equation 1
and

(x)/(y) = (1)/(3) \\ y=3x equation 2
substitute equation 2 in equation 1

x+3x=1 \\ 4x=1 \\ x=1/4 gal

find the value of y

y=3x \\ y=3* (1)/(4) \\ y= (3)/(4) gal

we know that

(1)/(4) gal is equal to
1 quart

therefore
the answer is the option
D) 1 quart
User Toppur
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8.4k points