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Answer:

0.75 gal

Step-by-step explanation:

Example:To convert pints to gallons use the following steps:

Step 1:

Remember that:

1 pint = 0.125 gallons

Step 2:

Let's pretend you want to convert 10 pints to gallons. All you'd have to do is multiply the number of pints you have by 0.125 as follows:

10 pints x 0.125 gallons/pint

Helen needs 0.75 gallons of water for her lemonade and this can be determined by using the unitary method.

Given :

Helen needs 6 pints of water for her lemonade.

The following steps can be used in order to determine the total amount of water in gallons Helen needs for her lemonade:

Step 1 - The unitary method can be used in order to determine the total amount of water in gallons Helen needs for her lemonade.

Step 2 - Remember 1 pint is equal to 0.125 gallons.

Step 3 - If 1 pint is equal to 0.125 gallons then 6 pints is equal to:

[tex]=\dfrac{0.125}{1}\times 6[/tex]

Step 4 - Simplify the above expression.

= 0.75 gallons

So, Helen needs 0.75 gallons of water for her lemonade.

For more information, refer to the link given below:

https://brainly.com/question/23368125