Which expression correctly represents 'subtract 24 from 43'?
A24 - 43
B24 + 43
C43 - 24
D43 + 24
Answer & Solution
Correct answer: C. 43 - 24
1. The phrase subtract 24 from 43 tells us to take the second number away from the first.
2. Here, 24 is the second number and 43 is the first, so 24 is taken away from 43.
3. Written as subtraction, that is 43 - 24.
4. 43 - 24 = 19, confirming the calculation makes sense.
5. Writing 24 - 43 reverses the order and takes the wrong number away from the wrong one, and both addition options add instead of subtract.
_Source: OpenStax Prealgebra (CC BY 4.0), Ch 1 "Whole Numbers", section 1.3 Subtract Whole Numbers_
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