Question

The ratio of girls to boys in Liza’s classroom is 5

to 4
. How many girls are in her classroom if there is a total of 27
students?

Answer 1

15 girls

Explanation:

Let

x-----> the number of girls

y-----> the number of boys

we know that

-----> equation A

isolate the variable y

-----> equation B

Substitute equation B in equation A

you welcome

Answer 2

There are 15 girls in the classroom