Question

There are 77 students in the student council. The ratio of girls to boys is 7:4. How many boys are in the student council?

Answer 1

Answer:

There are 77 students inn a student council,

then 7x+4x=77

11x=77

x=77/11

x=7

so now the no. of boys multiply it 7×4=28

Answer 2

Step-by-step explanation:

let the common multiple of the ratios be x

ratio of girls to boys is 7: 4

7x + 4x = 77

11x = 77

x = 7

no of boys= 4 x 7 = 28