kjhollar kjhollar

03-09-2014
Mathematics

contestada

At summer camp the ratio of boys to girls was 7:2 If there were 21 boys how many girls were there?

Respuesta :

03-09-2014

[tex]Ratio:\\7:2\\\\ 7x-number\ of\ boys\\2x-number\ of\ boys\\\\ 7x=21\ \ \ |:7\\ x=3\\\\ 2x=2*3=6\\ Number\ of\ girls\ is\ equal\ to\ 6.[/tex]

Answer Link

Otras preguntas

Methodology A. Preparation of Setup for Paper Airplane

Hay fed to llamas should be at least 18% protein.A. True B. False

feelings and ideas are suggested by the phrase "weather'd every rack" in line 2?

what percentage is 8 times more

QUICK PLEASE!! Jordan is buying 250 baseball cards for $1.50 each. So far he has paid for 25% of the total and will pay the rest later. How much will he pay lat

what significant events has Antigone experienced?

Does Leah still attend the university or has she finally graduated? What are the 2 adverbs.

Where or what situation can I use oral language,stance, behavior?

Hi, I am writing a 2000 word essay about literary modernism what are some key things that I can use in it to get a good grade?

This is a problem that is much larger than the Equifax incident. There has been a large uprise in consumer data breaches and identity theft within the past deca