Mathematics, 03.02.2021 21:00, amiobidova

there are 55 students in a band 11 are 6th graders 21 are 7th grader and 23 are 8th graders what is the ratio of the 6th graders in the band to the number of 7th and 8th graders in the band

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there are 55 students in a band 11 are 6th graders 21 are 7th grader and 23 are 8th graders what is...