SOLUTION: Beth scored 78 on a test that had 4 seven-point short answer and 24 three-point multiple-choice questions. She had one wrong short answer. How many multiple choice questions did s

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Question 230772: Beth scored 78 on a test that had 4 seven-point short answer and 24 three-point
multiple-choice questions. She had one wrong short answer. How many multiple choice questions did she get right?
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
score of 78 out of 100 posiable
one 7 point question wrong
78-21=57 3 point, points
57/3=19 3 point question correct