Coner earns $9 an hour for yard work. He earned $29.25. how much does he earn every minute.

If he earns $9 per hour, he would earn $0.15 per minute.

9 / 60 = 0.15

He earns $0.15 every minute. There are 60 minutes every hour and you are trying to found out how much money he is making in 1 minute, so you divide 9 by 60, which will give you the decimal number 0.15. The $29.25 was just a little extra information to try to brush you off.