Mathematics, 14.08.2019 08:10 xxxharveyweinsteinxx

Tim answered all the questions on his math test but got 7 answers wrong. he received 3 points for every correct answer, and there was no penalty for wrong answers. his score was 84 points. how many questions were on the math test?

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Tim answered all the questions on his math test but got 7 answers wrong. he received 3 points for ev...