100 points to who ever helps me love you so much if u help me

Pls i’m too dumb to know what i’m doing right now

Can someone answer it, and plot it, for 20 points and brainliest answer? p.s. they're the same ! : )

Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.