Isaac has 21 green marbles and 7 blue .he wants to place them in identical groups without any marbles left over. what is the greatest number of groups isaac can make

7 groups

Step-by-step explanation:

Each group would have 1 blue marble and 3 green marbles

1. is 4 and 2. is 3

step-by-step explanation:

so if you look at the first one you see that 1 is to 4 and 2 is to 8 and so on, so you can see for every 1 there is a times 4 so if it were 3 then it would be 3*4 and it is 12

for number 2 it is 3 because 1 is to 3 and 2 is to 6 so for every 1 there is 3 so if it were 3 then there would be 3*3 = 9

idk u tell me

step-by-step explanation: