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29-10-2015
Mathematics

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A maths test consists of 10 question. Ten points are given for each correct answer, and three points are deducted for each incorrect answer. If Sue attempted all the questions and scored 61 points, how many correct answers did she give?

Respuesta :

29-10-2015

10

7 x 10 = 70 points
3 x 3 = 9 points

70 - 9 = 61 points.

Therefore the answer is 7 correct answers!

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