Emma's rate and unit rate problems

johnny is selling apples. its seven dollars for one bag of apples. if Jimmy buys three bags of apples, how much does it cost?

http://upload.wikimedia.org/wikipedia/commons/1/15/Red_Apple.jpg

Jimmy is taking the bus home. he sees five clowns for every ten minutes on the bus. if he is on the bus for 10  minutes, how many clowns does he see?

http://upload.wikimedia.org/wikipedia/commons/1/16/Clown_Bassie.jpg