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Anonymous Anonymous
  • 17-01-2017
  • Mathematics
Answered

please help?


The ratio of boys to the total number of students in a school play is 4:7. There are 9 girls in the school play.How many students are in the school play?

Verified Answer :

Sophia264
Sophia264 Sophia264
  • 17-01-2017

4:7

4/7 = boys

3/7 = girls

33 = 9
73= 21

9 out of the 21 students are girls.

There are 21 students in the school play.

This is just a little extra for your understanding:

4/7
43 = 12
73 = 21

12 out of the 21 students are boys. 
 


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