4 quarts = 1 gallon
2 pints = 1 quart —> 8 pints = 4 quarts
2 cups = 1 pint —> 16 cups = 8 pints
Therefore 16 cups are in a gallon
4y - 7 = 5 - 2y
Add 2y to both sides.
6y - 7 = 5
Add 7 to both sides.
6y = 12
Divide both sides by 6
y = 2
The missing fraction is 7/9
<h3>Finding missing values in an addition equation</h3>
The given equation is:
This can be simplified as:
Cross multiply
Therefore, the missing value is 
Learn more on addition equations here: brainly.com/question/702197
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CommentThe two triangles (ABC and ADE) can be shown to be similar (which I'll do below). Their corresponding parts are also similar.
Step OneProve Similarity.
A is common to both triangles Construction
<ABC = <ADE Given as right angles.
By the AA Theorem both triangles are similar.
Step TwoFind x
AD is to AB as DE is to x
AD = 3 + 4 = 7
AB = 3
DE = 6
7 / 3 = 6/x Cross multiply
7x = 3 * 6
7x = 18 Divide by 7
x = 18/7
x = 2.571 <<<<<
answer
