Of all the homes on Gotham Street, 2/3 are termite-ridden, and 2/5 of these are collapsing. What fraction of the homes are termite-ridden, but NOT collapsing?
Options
A) a) 2/15	B) b) 3/15	C) c) 4/5	D) d) 2/5	E) e)1/5
let total homes be 15   termite ridden= 2/3(15)= 10   termite ridden and collapsing = 2/5(10)=4   thus homes that are termite ridden, but not collapsing = 10-4= 
<gadget id="calculator">10-4</gadget>
<output>6</output>
6   thus required ratio= 6/15=2/5   Answer d) 2/5
<result>D</result>
Of all the homes on Gotham Street, 2/3 are termite-ridden, and 2/5 of these are collapsing. What fraction of the homes are termite-ridden, but NOT collapsing?