Level 3
Tom had $82, Lincoln had $34 and Kim had twice the total amount of money Tom and Lincoln had. How much must Kim give to Tom and Lincoln so that each of them has an equal amount of money?
Level 3
Mandy and Leon shared 3160 stamps. After Mandy gave Leon 20 stamps, Mandy had 3 times as many stamps as Leon. How many stamps did Leon have at first?
Level 3
A moment ago, there were a total of 1200 spectators at a football match. 346 of the male spectators and 458 of the female spectators left the stadium. Now there are thrice as many male as female spectators left in the stadium. How many more male than female spectators are there in the stadium now?
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.
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.
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?
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.
