Level 3
Ben had three times as much money as Colin. After Ben spent $110 and Colin spent $30, they had the same amount of money left.
  1. How much did Colin have at first?
  2. How much had each of them left in the end?
4 m
Level 3
Luke and Sam had an equal number of lollipops at first. After Luke bought another 6 lollipops and Sam lost 9 lollipops, Luke had thrice as many lollipops as Sam. Find the number of lollipops each of them had at first.
4 m
Level 3
Min and Tina had an equal number of candies. After Min bought another 20 candies and Tina bought another 6 candies, Min had thrice as many candies as Tina. Find the number of candies each of them had at first.
4 m
Level 3
A bus had some passengers at the beginning. After 10 passengers alighted from the bus and another 46 passengers boarded the bus, there were two times as many passengers as before. How many passengers were there on the bus at first?
4 m
Level 3
There were 3 similar big boxes of the same mass. There were another 4 similar small boxes of the same mass. The total mass of the big and small boxes was 90 kg. The mass of a big box was twice the mass of a small box. Find the total mass of a big box and a small box.
4 m