Yadira S.
asked • 01/12/18The 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