math/hurry

posted by Kirk Friday, March 26, 2010 at 9:17pm

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. Reiny Friday, March 26, 2010 at 9:23pm

   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.

2. Jen Friday, March 26, 2010 at 9:59pm

   5/7=15/x, x=21

3. esdeeeeeeeeeeeeeeeeeeeee Thursday, August 28, 2014 at 4:28pm

   dcXC

4. Erhan Monday, December 15, 2014 at 5:52pm

   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

5. joanne Thursday, March 12, 2015 at 1:22pm

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

6. Anonymous Thursday, June 11, 2015 at 3:57am

   Correct answers

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