At Pizza Perfect Ron and Harold make pizza crusts. When theywork separately Ron

At Pizza Perfect Ron and Harold make pizza crusts. When theywork separately Ron finishes the job of making 100 crusts 1.2 hoursbefore Harold finishes the same job. When they work together theyfinish making 100 crusts in 1.8 hours. How many hours to thenearest tenth of an hour does it take Ron working alone to make100 crusts?