A double bar graph shows boys/girls in classes $A,B,C$: $A: 20/15$, $B: 18/22$, $C: 25/20$. Total students…
A double bar graph shows boys/girls in classes $A,B,C$: $A: 20/15$, $B: 18/22$, $C: 25/20$. Total students in class $B$ is:
- $35$
- $38$
- $40$
- $45$
Solution
Class $B$ total $= 18+22 = 40$.
Asked in: IMO
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