There were twice as many girls as boys in a class. If 30% of the girls and 45% of the boys have already handed over their reports, what percent of the students have not yet done so?
Created: 2 years ago |
Updated: 11 months ago
best des
Let, boys =x
and, girls = 2x
Total students = 3x
The amount of students handed over reports = 30% of 2x+ 45% of x= 0.6x+.45x=1.05x
Who have not done yet = (3-1.05)x=1.95x
The percentage of them = (1.95x/3x)×100=65 % (ans)
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