Difficulty: Easy
Correct Answer: 47.95
Explanation:
Problem restatementSolve for the missing number in a simple linear equation involving decimals.
Concept/ApproachRearrange to isolate ? on one side.
Step-by-Step calculation3889 + 12.952 − ? = 3854.002⇒ −? = 3854.002 − 3901.952 = −47.95⇒ ? = 47.95
Verification/AlternativeCheck: 3889 + 12.952 − 47.95 = 3901.952 − 47.95 = 3854.002.
Common pitfallsSign errors when transposing terms or mishandling decimal subtraction.
Final Answer47.95
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