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Sixth grade
T.3 Convert and compare customary units 9TJ
They
Which is more, 3 gallons or 6 quarts?
3 gallons
6 quarts
neither; they are equal
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she should of added 9^2 and 12^2. that is because it is a^2+b^2=c^2. c^2 is the hypotenuse and should always be bigger than the other two numbers. which is why she should of added 9 squared and 12 squared together instead of 15 squared.