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

What is the GCF of 8xy, 14x?

Sitting up straight was a problem for Thi, so she decided to practice every day. what is the gerund phrase?

me llamo santiago. yo soy el hijo de Gloria Soriano. Mi what goes their

Who is the speaker in this excerpt from Book 13 of Homer’s Odyssey, and what inference can you make from the tone? THIS IS A PULL DOWN ONE BUT HERE IS THE ANSW

If f(x)= 2a|3x – 9| – ax, where a is some constant, find f ′(3).

In training for a triathlon, Yuna swam 1.9 miles in the open ocean, which took her 2 hours. For the first part of her swim, she averaged 1.4 miles per hour. For

Select all of the following that are part of the pre-writing step of the writing process. Researching Planning Note taking Thinking

Which of the following best describes plasma? a group of super cooled particles with very low kinetic energy an ionized group of particles with low kinetic ene

The essential factor in weight loss is to ___________________________________.

Correct the sentence below then reflect an "I" statement. "I'm trying to tell you about my day at school and all you do is watch TV." a. I feel you aren't lis