Question

the ratio of girls and boys in a class is 1:3 set up an equation between the student of class and boys and then draw its graph also find the numbers of boys in a class of 20 students from the graph​

Answer 1

Answer:

you have to use common sense and formula to do it so that you should search formula on your Google.

Answer 2

Answer:

I don't know sorry about the direction of the car racing but I