Question
Three cousins collected 279 marbles altogether. Henry collected 2 times as many marbles as Archie. Justin collected 21 marbles. How many marbles did Archie collect?
4 m

Click button first when a symbol is required. X

Three cousins collected 279 marbles altogether. Henry collected 2 times as many marbles as Archie. Justin collected 21 marbles. How many marbles did Archie collect?