Question

in a class the no of girls is 40 and no of boys are 45 what is the ratio of no of girls to total student ​

Answer 1

Answer:

the ratio of the boys to girls is 5:4, and there are 45 students, then what is the number of boys and girls.

First, you would add 5 and 4, because that is the numbers in the ratio.

5+4=9

Then, you would do 45/9, and that would let you find out how many students is represented by each number in the ratio.

45/9=5

You would then multiply 5 to both, 5 and 4, to find out the number of boys to girls.

5(5:4)

25:20

There are 25 boys and 20 girls.

To check, 25+20 is equal to 45, the number of students in the class, and if you simplify 25:20, it simplifies to 5:4.

Answer 2

total students =40+45=85

ratio =40:85

8:17