Question

thirty balloons have to be divided betwwe group a and group b in the ratio 2:3 how many balloonswill each group receive

Answer 1

Let us assume that the number of balloons to be divided as 2x and 3x  

2x + 3x = 30

5x = 30

x = 30/5 = 6

Group A will receive 2x balloons = 2 * 6 = 12 balloons

Group B will receive 3x balloons = 3 * 6 = 18 balloons