Level 3
Vincent had some pastries. 27 of them were tarts. The rest were cookies. He sold 35 of the tarts and 14 cookies. In the end, he had 131 pastries left. How many more tarts than cookies did he sell?
Level 3
Isabelle had $574 less than Jane. Jane spent 35
of her money and Isabelle spent 34 of her money. In the end, Jane had 3 times as much as Isabelle. Find the amount of money Isabelle had at first.