1. a painter works 37.5 hours one week. if she worked 5 days how many hours did she work on average per day? 2. at $15.75 per hour, how much did she make per day?

Jonathan can type 20 documents in 40 minutes ,and susan can type it in 30 minutes and jack can type it in 24 minutes working together ,how much time will it is take them type the same document