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

To find the number of girls in the student council, we first need to find the total number of parts in the ratio. The ratio of girls to boys is 7:4, so the total number of parts is 7 + 4 = 11.

Next, we divide the total number of students in the student council (77) by the total number of parts in the ratio (11). This will give us the value of 1 part.

77 students ÷ 11 = 7

Now, we need to find the number of parts representing girls. Since the ratio of girls to boys is 7:4, there are 7 parts representing girls out of a total of 11 parts.

To find the number of girls, we multiply the value of 1 part by the number of parts representing girls.
7 (value of 1 part) × 7 (number of parts representing girls) = 49

Therefore, the number of girls in the student council is 49.

What is 7/11 of 77?

8/10?

49