See tutors' answers!
Tutoring on algebra.com
-> See tutors' answers!
Tools for Tutors
By Problem Number
Get regular updates about newly solved problems
algebra.com's RSS system
Recent problems solved by 'amikalp'
answered: 1 problems
: A class has 21 students.The ratio of girls to boys is 4:3.How many girls are there in the class?
Answer 353610 by
on 2011-12-01 19:02:10
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.