Level 3
During a sale, 8 necklaces and 11 watches cost $2836. If Zoe bought 14 necklaces and 20 watches, she would have spent all her money. Each necklace cost $136 more than a watch. Find the amount that Zoe had at first.
Level 3
Natalie has $127 more than Eva. If Eva gives Natalie $56, the amount of money Natalie has will be 6 times that of Eva's. How much money does Natalie have?
Level 3
During a charity drive, Primary 4 raised 4 times as much money as Primary 2 on the first week. On the second week, Primary 4 raised another $200 while Primary 2 raised another $461. During the entire charity event, Primary 4 raised 2 times as much as Primary 2. What was the total amount raised by Primary 4?
Level 3
Sean and Cathy had some money each. If Cathy gives Sean $49, he will have 3 times as much as Cathy. If Sean gives Cathy $20, he will have the same amount as her. How much money does each person have respectively?
