Level 3
Esther spent 12 of her money on some pies and 37 of her remaining money on 8 buns. Each bun cost thrice as much as a pie. How many pies did she buy?
Level 3
Risa and Isabelle had 856 stamps altogether. They decided to play a game. In the first round, Isabelle lost 58 stamps to Risa. In the second round, Risa lost 38 stamps to Isabelle. At the end of the two rounds, Isabelle had thrice as many stamps as Risa.
How many stamps did Risa have in the end?
How many stamps did Isabelle have at the beginning of the game?
Level 3 There are some horses, ducks and cows in a farm.There are 3 times as many ducks as cows. Jade finds out that among the animals, there are a total of 34 heads and 100 legs. How many horses are there?
Level 2
Michelle, Rebecca and Chris collected some dolls. Michelle had four times as many dolls as Chris, and Rebecca had twice as many dolls as Chris. If Michelle had 8 more dolls than Rebecca, how many dolls did the 3 girls collect in total?
Level 2
There are 180 blue and green balls in bag A. There are 320 green and red balls in bag B. Given that there are thrice as many red balls as blue balls, and the number of green balls in both bags is the same, find the difference between the red balls and the blue balls.
