Alex makes luxury dresses out of silk. Each dress needs 5 meters of silk and Alex has 600 meters of silk in storage. His friends also want to learn how to make these dresses so Alex gives all 5 of them 20 meters of silk each. He uses the rest to make dresses himself. How many dresses can Alex make?
Alex gives his friends a total of 5 friends * 20 meters of silk = <T>multiply(5, 20)=100 meters of silk.
This means he has 600 – 100 = <T>subtract(600, 100)=500 meters of silk left in storage.
He can therefore make 500 meters of silk / 5 meters of silk per dress = <T>divide(500, 5)=100.0 dresses.
