Set up subtraction problem: Step 1: Understand the units involved and set up the subtraction problem.We have 9 quarts and need to subtract 4 quarts 1 pint from it. Since 1 quart equals 2 pints, we can convert everything to pints for easier subtraction.9 quarts = 18 pints (because 9×2=18),4 quarts 1 pint = 9 pints (because 41),Now, subtract 9 pints from 18 pints.
Perform subtraction: Step 2: Perform the subtraction.18 pints −9 pints =9 pints,Now, convert the pints back to quarts and pints.9 pints =4 quarts 1 pint (because 9÷2=4 remainder 1),
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