Answer :
So since 3/5 are boys, then 2/5 are girls
Since 2/5 represents 240 girls
then 1/5 is 240/2 = 120
Number of boys= 120 × 3 = 360
Since 2/5 represents 240 girls
then 1/5 is 240/2 = 120
Number of boys= 120 × 3 = 360