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

why should John Adams be involved in more foregin affairs

what is the exponential of 261

What statistical method summarizes large amounts of data

What is apoptosis a. Abnormal growth of cells b. Ionizing radiation c. Prolapse of an eyelid d. Programmed cell death

What temporary effect does the chemical nicotine have on a persons body? a. makes the user sleepy b. makes the user sleepy hallucinations c. makes the user feel

what is 15 +15 hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh

Who Am I? found that amounts of adenine and thymine and cytosine and guanine in DNA are always about the same.

1. a = What type of segment is WX? Which property did you use? Show your work in the space below.

Determine if the sequence below is arithmetic or geometric and determine the common difference/ ratio in simplest form 72, 12, 2

What times what equals 18 but the same numbers need to also equal what plus What to equal 9