Mathematics
Mathematics, 10.01.2020 14:31, brittd2728

Some pupils attended a camp . 20 of them were girls. after 12 girls and 4 boys left the camp , the number of boys was 3/4 of the number of girls. how many boys were at the camp at first?

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Some pupils attended a camp . 20 of them were girls. after 12 girls and 4 boys left the camp , the n...

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