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11 August, 10:29

The 7th and 8th grade students at a school voted on whether to have a picnic for a year-end activity. The results showed that 75% of the 7th grade students and 45% of the 8th grade students voted for a picnic. In addition, 30 more 7th grade than 8th grade students voted for a picnic. Let x represent the total number of the 7th grade students and y represent the total number of 8th grade students. Which equation represents the relationship between the number of 7th grade students and the number of the 8th grade students at the school

Answers:

A.) 0.75x - 0.45y = 30

B.) 0.75x = 30 - 0.45y

C.) x - y = 0.75 - 0.45

D.) 1.20 (x - y) = 30

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Answers (1)
  1. 11 August, 13:55
    0
    I got A) as my answer, x = 7th grade, y = 8th grade.
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