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Convert 4 gal and 1 qt to 17 qts. Then convert 1 gal and 3 qts to 7 qts. Subtract 7qts. from 17qts. and you have 10qts. Divide by 4 and you have 2 1/2 gals. You have to convert then subtract then take it back to the original measurement. There are 4 quarts in a gallon. When you divide 4 into 10, you will have 2 full gallons, and 2 quarts left over which reduces to 1/2 gallon.
2 1/2 gallons.
4 gal 1qt - 1gal 3 qt =
Covert the first term ( 4 gal 1 qt) into 3 gal 5 qt .
Now the subtraction is made much easier:
3 gal 5 qt - 1 qal 3 qt = 2 gal 2qt
If you want, we can express this as a decimal : 2.5 gal.
convert the gallons into quarts
4 quarts = 1 gallon
4 gal 1qt = 17 quarts
1gal 3 qt = 7 quarts
17qt - 7qt = 10qt
you can either leave it as 10qt or dive 10 by 4 to get the measurement in gallon which would be 2.5 gallons
Convert 4gal1qt= 17 quarts and also 1gal3qt to 7 quarts.
Next, subtract 7 quarts from 17 quarts to get 10 quarts
Since 1 gal= 4 quarts
Divide 10 quarts by4 to get 2.5 gallons
There is another way to think of and solve this problem. You are starting out with 4 gal and 1 qt and you need to take away 1 gal and 3 qts. Start by taking away 1 gal from 4 gal 1 qt and you are left with 3 gal 1 qt. Then, you need to take away 3 qts. To do that, think of it as borrowing. You know that there are 4 qts in a gal. So, "borrow" 4 qts from the three gal. That leaves you with 2 gal and, when you add the 4 borowed qts to the one that is there, you have 5 qts. Now you can subtract 3 qts from the 5 qts and are left with 2 gal and 2 qts. 2 qts are equal to a 1/2 gal so in simplest form, the answer is 2 and 1/2 gal.
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