Do it in steps:
if 25% of Jason's = 30% of Kevin's then 100% Jason's = x% of Kevin's
if Jason has 280 more, then 280 = (x - 100)% of Kevin's money
Jason's money = Kevin's money + 280
Add the two sums together
Kevin
Kevin love fat women......
Kevin Paul Jonas II
Kevins bedroom is White.
Paul Kevin Jonas II
Kevin is your friend, go ask him.
Approximately 196,000 Kevin's in the world including me.
Kevin lives in Chicago.
kevins favorite food is sushi.
kevins favorate color is Royal Blue
that would be Kevin, his dads name is paul Kevin and so is kevins only they call him Kevin so they don't get them mixed up.
Paul Kevin Jonas II kevins real name is paul Kevin Jonas 2nd