Math Puzzle

Andrea, Bonnie, Candice and Dawn all take the same math test. A perfect score = 100. Each problem accounts for an equal part of the 100. The average score of the four students is 75.

• Bonnie gets two answers wrong.

• Candice gets four answers wrong.

• Dawn gets six answers wrong.

How many correct answers does Andrea get?

Thanks to Hiroshi Yamamoto.

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