Find ? such that 3889 + 12.952 − ? = 3854.002.

Problem restatement
Solve for the missing number in a simple linear equation involving decimals.

Concept/Approach
Rearrange to isolate ? on one side.

Step-by-Step calculation
3889 + 12.952 − ? = 3854.002⇒ −? = 3854.002 − 3901.952 = −47.95⇒ ? = 47.95

Verification/Alternative
Check: 3889 + 12.952 − 47.95 = 3901.952 − 47.95 = 3854.002.

Common pitfalls
Sign errors when transposing terms or mishandling decimal subtraction.

Final Answer
47.95