In a study group the number of girls was three more than twice the number of boys. There were 11 girls .How many boys were in there ?

Answer 1

Let G = 11 = # girls.

(11 - 3) / 2 = 8/2 = 4 = # boys.

Check: Twice the number of boys = 2 x 4 = 8. G = 3 more than 8, so G = 8+3 = 11.