Level 3
A purple carton has 4 times as many marbles as a pink carton. Jack added 44 marbles to the purple carton and 21 marbles to the pink carton. If there are 3 times as many marbles in the purple carton as the pink carton, what was the total number of marbles in the two carton before Jack added the marbles?
3 m
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?
3 m
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?
  1. Sean?
  2. Cathy?
3 m
Level 3
Cathy had twice the number of toy bricks as Jenson. Cathy used all her bricks to build 7 identical houses. Jenson used all his bricks to build 5 identical houses. Cathy used 9 more bricks than Jenson for each house. How many bricks did Jenson have?
4 m
Level 3
When Mrs Yang was 45 years old, her son was 2 times her daughter's age. Mrs Yang would be twice her son's age when her daughter was 30 years old. How old would Mrs Yang be when her daughter was 18 years old?
4 m