Winter is almost here and most animals are migrating to warmer countries. There are 30 bird families living near the mountain. If 7 bird families flew away to africa and 14 bird families flew away to asia How many more bird families flew away to asia than those that flew away to africa?
There are 30 bird families living near the mountain. 
7 bird families flew away to Africa. 
14 bird families flew away to Asia. 
This leaves us with 9 bird families. 
There are 5 more bird families that flew to Asia than to Africa.