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17 August, 05:26

The ratio of the number of adults to the number of students at the pro has to be 1:10 last year there we're 477 more students than adults at the prom if the school is expecting the same attendance this year how many adults have to attend prom?

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  1. 17 August, 05:28
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    The ratio means that for every 10 students, there is one adult. From this we see that 1 out of every 11 will be an adult. 1/11 of 477 is 43.36. Since you can't have part of a person, you would round to 44 adults.
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