Question

20% of a number is 2499 less than the 4 /5 of a same number what willbe the 2/7 th of that number

Answer 1

let y be the number.

y×20/100=4/5×y-2499

20y/100=4y/5-2499

20y/100-80y/100=-2499

-60y/100=-2499

-3y=-12495

y=4165.

2/7th of y will be

4165×2/7

=1190.