
Naomi S. answered 10/04/18
Tutor
New to Wyzant
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ratio of boys to girls for soccer = 5: 3
number of boys = 25
number of girls = x
5 : 3 = 25 : x
5/3 = 25/x
do cross multiplication
5x = 75
x = 15
no. of girls = 15
so total for soccer = 15+25 =40
number of boys = 25
number of girls = x
5 : 3 = 25 : x
5/3 = 25/x
do cross multiplication
5x = 75
x = 15
no. of girls = 15
so total for soccer = 15+25 =40
and for track team
no. of girls = 15
no. of boys = y
boys to girls trying out for the track team is 4:5
4:5 = y: 15
4/5 =y/15
60 =5y
12 =y
no. of boys for track team = 12
so total for track team = 12+15 =27