Common EntranceQuantitative ReasoningWord Problems

A number is doubled and then 4 is taken away. The result is 20. What is the number?

A12CORRECT
B10
C14
D8
AI
Toaster Teacher
Why the answer is A, and why the others tempt you.
Work backwards: 20 + 4 = 24, then 24 / 2 = 12.
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