Yadira S.

asked • 01/12/18# The ratio of boy to girls in the sixth grade is 3 to 4 if there are 39 boys in the sixth grade how many girls are there

You need to fine the number of girls

More

## 1 Expert Answer

Andrew M. answered • 01/12/18

Tutor

New to Wyzant
Mathematics - Algebra a Specialty / F.I.T. Grad - B.S. w/Honors

Your ratio of boys to girls is 3:4

Set up a fractional proportion and cross multiply:

3/4 = 39/x

cross multiply

3x = 4(39)

3x = 156

x = 52 girls

Questions?

## Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.

Most questions answered within 4 hours.

#### OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.

Lexie H.

52 girls10/19/20