Income=100%
=10%of20
=10100×20=2%
18%=46260
100%=4626018×100
=5140×50
=257000
A man spends 2/5 of his income on house rent, 3/10 on food and 1/8 on conveyance. If he has Rs. 3500 left with him, find his expenditure on food and conveyance together.