if the ratio of boys to girls in a class is 4 to 5, what is the total number of the students in the class? Elaborate with explanation please.

Question

if the ratio of boys to girls in a class is 4 to 5, what is the total number of the students in the class?  Elaborate with explanation please.

parthkohli · Answer

4 + 5 = 9..
So there are 9x number of students in the class as it's a multiple of 9. We always have a multiple after adding in ratios to get the total value.

anonymous · Answer

what are the total no. of students can u pls.. give!

parthkohli · Answer

We cannot determine the exact number of students with this much info. But we know that the number is a multiple of 9 aka 9x

anonymous · Answer

45

parthkohli · Answer

See, told you.

anonymous · Answer

this the only option there which is divisible by 9.

parthkohli · Answer

45 is a multiple of 9 (y)

anonymous · Answer

$$45\over9$$

parthkohli · Answer

4x + 5x = 45
9x = 45
x = 5

Girls are 4x = 20
Boys are 5x = 25

anonymous · Answer

Thank u so much parth.