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: 1 year ago

Updated: 1 year ago

বেগম রোকেয়া বিশ্ববিদ্যালয় F ইউনিট সাধারণ গণিত

ব্যাখ্যা

541

Best Ans:

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)

1 year ago

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SAFAYET HOSSEN SHUVO

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