Question

divide 700 into two parts such that 40% of one exceeds 60% of the other by 80.

Answer 1

let the two nos. be x and y

we know, x+y=700_____ A

and

40/100*x=60/100*y+80

on solving this.....

20x-30y=400_________B

on solving equation A and B...
u would get x=500 and y=200