Question

Colton has 16 blue marbles and 8 white ones.if he wants to place them in identical groups without any marbles left over what is the greatest number of groups colton can make

Answer 1

For blue marbles:
16 = 8 * 2  ( 8 groups with 2 marbles in everyone of them )
For white marbles:
8 = 4 * 2 ( 4 groups with 2 )
8 + 4 = 12
Answer:
The greatest number of groups Colton can make is 12.