George has 25 marbles. he wants to divide them into two amounts hat show a ratio of 2:3 how many marbles are in each group?

Answer 1

2/5 - x/25

5x = 50

x = 10

The smaller amount has 10 marbles.

Answer 2

2+3 = 5
so
2/5
and
3/5

2/5 = 10/25

3/5 = 15/25

check:
10 + 15 = 25 yes
10/15 = 2/3 check :)