Question
Valen collected 136 cardboards in 3 days. He collected thrice as many cardboards on Saturday as on Sunday. On Monday, he collected 19 fewer cardboards than on Sunday. How many cardboards did he collect on Sunday?
4 m

Click button first when a symbol is required. X

Valen collected 136 cardboards in 3 days. He collected thrice as many cardboards on Saturday as on Sunday. On Monday, he collected 19 fewer cardboards than on Sunday. How many cardboards did he collect on Sunday?