Level 3
Eva and Fiona went shopping with a total of $200. After
Eva spent 34 of her money and Fiona spent $46, the ratio of Fiona's money became 3 times as much as Eva's money. Find the ratio of Eva's money to Fiona's money at first.
Level 3
Cathy had some coin collection. 14 of them were red and the rest were yellow. She gave away 135 of the yellow coins and 50% of the red coins. She then had 15 of her coin collection left. How many coins did Cathy give away?
Level 3
Nick spent 25 of his money on a watch which cost $90. If he had bought a book instead, he would have only spent 0.25 of his money. How much did the book cost?