What is 9.4 − 6.85?

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Multiple Choice

What is 9.4 − 6.85?

Explanation:
Subtracting decimals means lining up the decimal points and borrowing when needed. For 9.40 minus 6.85, start with the hundredths: 0 minus 5 can’t do, so borrow 1 from the tenths place. The tenths digit drops from 4 to 3, and the hundredths become 10; 10 − 5 = 5. Now the tenths place: 3 minus 8 can’t do, so borrow 1 from the units place. The units digit goes from 9 to 8, and the tenths become 13; 13 − 8 = 5. Finally, units: 8 minus 6 = 2. Put it together: 2.55. A quick alternative is to convert to cents: 940 − 685 = 255 cents, which is 2.55.

Subtracting decimals means lining up the decimal points and borrowing when needed. For 9.40 minus 6.85, start with the hundredths: 0 minus 5 can’t do, so borrow 1 from the tenths place. The tenths digit drops from 4 to 3, and the hundredths become 10; 10 − 5 = 5. Now the tenths place: 3 minus 8 can’t do, so borrow 1 from the units place. The units digit goes from 9 to 8, and the tenths become 13; 13 − 8 = 5. Finally, units: 8 minus 6 = 2. Put it together: 2.55. A quick alternative is to convert to cents: 940 − 685 = 255 cents, which is 2.55.

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