Level 3
Ethan and Frank had 78 picture cards. After Ethan gave 15 picture cards to Frank. Frank, in return, gave half of his picture cards to Ethan. In the end, Ethan had twice as many picture cards as Frank. How many picture cards did Ethan have at first?
Level 3
Abel and Brandon had a total of $156. Abel gave $12 to Brandon. In return, Brandon gave 13 of his money to Abel. In the end, Abel had twice as much money as Brandon. How much money did Abel have at first?
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?
