The ratio of boys to girls in the school choir is 4:7 if there are 16 boys how many girls are in the choir?
2 answers:
Answer:
Step-by-step explanation:
let the no of girls be x
ratio of boys to girls=4:7
4/7=16/x
do cross multiplication
7*16=x*4
112=4x
112/4=x
28=x
therefore there are 28 no of girls.
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