Money Maths

We have been counting in 10's and adding and subtracting 10's so Mrs Lines decided to get the money out. We didn't know which piece of money was worth the most so Mrs Lines pretended she was in a lolly shop selling lollies for 10 cents each. For 10c we could only get 1 lolly. For 20c we could get 2 lollies and for $2.00 we could get 20 lollies. How many lollies could you buy with $1.50?