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Mathematics, 18.02.2020 05:24 alexwlodko

Dave surveyed 80 7th-graders and 90 8th-graders. He found that about 75% of the 7th-graders like pop music, while 80% of the 8th-graders like pop music. Do more 7th-graders or more 8th-graders like pop music. Explain.

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Dave surveyed 80 7th-graders and 90 8th-graders. He found that about 75% of the 7th-graders like pop...

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