math/hurry

The ratio of boys to girls in Mr. Joiner’s class is 5 to 7. If there are 15 boys in the class, how many total
students are in the class?

  1. 1
asked by Kirk
  1. Ratio of boys : girls = 5:7 or how about 5x : 7x

    so 5x = 15

    wouldn't there be 5x + 7x or 12x students ?

    take it from here.

    posted by Reiny
  2. 5/7=15/x, x=21

    posted by Jen
  3. dcXC

    posted by esdeeeeeeeeeeeeeeeeeeeee
  4. In a gym class, the ratio of girls to the total number of students is 7:10. There are 9 boys in the gym class. How many students are in the gym class

    posted by Erhan
  5. 21 people on trip ratio boys to girls is 2:5 how many girls went in trip

    posted by joanne
  6. Correct answers

    posted by Anonymous

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