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Recent problems solved by 'amikalp'

amikalp answered: 1 problems
Percentage-and-ratio-word-problems/314616: A class has 21 students.The ratio of girls to boys is 4:3.How many girls are there in the class?

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Answer 353610 by amikalp(1) About Me  on 2011-12-01 19:02:10 (Show Source):
You can put this solution on YOUR website!
50% is 600 K.M & 5% is 60 K.M.(12 x 5)=660 K.M. Travel by Plane
30% is 360 K.M. (120 x 30) is Travel by Train
Now 20% is reaming out of 100%,So 20% is 240(120 x 2) by Transpot.

Your answer is 240 k.m.