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Mathematics, 15.06.2021 01:00 villarrealc1987

An exam has 20 exercises. For every exercise solved correctly you get 8 points and for every exercise solves wrong are taken off 5 points. Ben had 13 points. How many exercises did he solve?

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An exam has 20 exercises. For every exercise solved correctly you get 8 points and for every exercis...

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