small doubt

Posted by hs on Jun 09, 2015; 12:02pm
URL: http://discussion-forum.276.s1.nabble.com/small-doubt-tp7597552.html

Q  Ambrose's utility function is U(x; y) = x+ 4y^1/2. The price of x is 1 and the price of y is 2. If
his income rises from 100 to 150, his consumption of y increases by more than 10% but less than
50%??

how to solve ??