900/3=
140/7=
280/4=
240/30=
A group of 10 people bought tickets to a reptile exhibit and paid $130. What is the price of 1 ticket?
A video store took in $450 in DVD rentals during one day. If DVDS rent for $9 each, how many DVDs were rented?

What is Sonia's mistake?
How can patterns help me divide multiples of 10?