# the ratio of boys to girls in a class is 3:5 if there are 12 boys how many girls are there

the ratio of boys to girls in a class is 3:5 if there are 12 boys how many girls are there

Answers

5 x 4 = 20 girls

24 May 2011

so now all we have to do is multiply the 5 by 4 to find out how many girls there are:

24 May 2011

12/3 = 4

24 May 2011

well first we have to divide 12 by 3 in order to get the 'scale factor' if you like

24 May 2011

thanks

24 May 2011

The ratio of boys to girls in a class is 3:5. There are 40 students in the class. How many students are girls?

28 December 2020

120

24 June 2021

I don't get it

25 June 2021

Irene kakai

25 June 2021

25

18 October 2021

Sum of part=3+5=8. Equal share =40÷8=5. boy 's share =40×3=120.girl 's share=40×5=200.

04 December 2021

30

06 February 2022

oh wait its not 30 i think its 29

06 February 2022

If the ratio of boys to girls is 1ratio 2 how many boys are there if there are 12 girls

06 February 2022

25

20 March 2022

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