What is the result of dividing 1,237.5 by 110?

• A. 10.25
• B. 11.25
• C. 12.25
• D. 13.25

Answer: (B)

The main idea here is division with decimals, specifically simplifying a decimal dividend when dividing by a whole number. To divide 1,237.5 by 110, remove the decimal by multiplying numerator and denominator by 10, giving 12,375 ÷ 1,100. See how many times 1,100 fits into 12,375: it fits 11 times (11 × 1,100 = 12,100), leaving a remainder of 275. The remaining part is 275 ÷ 1,100 = 0.25, so the total quotient is 11.25. Quick check: 11.25 × 110 = 1,237.5, which matches the original dividend. The other nearby decimals would produce different products when multiplied back by 110, so they don’t fit.