Question 169500
7/2=f/e  where f and e are the number of fairies and elves respectively
:
2f=7e
:
f=3e+11-----> so lets take f's value and plut it into the first equation
:
2(3e+11)=7e
6e+22=7e
{{{highlight(e=22)}}}elves
{{{highlight(f=3(22)+11=77)}}}fairies