The ratio of boys to girls in a class is 3:1. There are 36 students in the class. How many students are girls? What is the formula?
easy way

9 girls in class

Step-by-step explanation:

I start by multiplying by 10 to get an even number.

So 3 x 10 = 30

And 1 x 10 = 10

30 + 10 = 40 which is over 36.

Now we multiply by 9 because we need a lower number.

3 x 9 = 27

1 x 9 = 9

27 + 9 = 36

Therfore, your answer is 9 girls in class

this is a very good question

step-by-step explanation:

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answer: translate the circles so they share a common center point and dilate circle y by a scale factor of 3.