joannadegro joannadegro

02-03-2017
Mathematics

contestada

The ratio of girls to boys in the geography bee was 5 to 4. There were 36 total students. How many were boys?

Respuesta :

H1a2r3s4h5 H1a2r3s4h5

02-03-2017

Girls:boys=5:4
So girls=5x
Boys=4x
total students=36
5x+4x=36
9x=36
x=4
So girls are=5x=5×4=20
Boys are=4x=4×4=16

Answer Link

Otras preguntas

How many ways can one rearrange the letters in the word circumference to form a string of 13 letter strings or words sensible or not

how did muslim leaders react to imperialism

How many electrons does a single carbon atom have in its outer energy level?

Explain how predation, disease, and competition impact a population based upon scale and distribution of the organisms. someone please help asap

You sell autographed sports memorabilia and want to reach people interested in sports. what's one benefit of promoting your products with a ads in mobile apps c

How can the common difference between 375-315=30

When Congress doesn't approve the presidents choice for federal court this is example of

the specific latent heat of fusion of ice is 3.3×105J/kg

In designing an experiment involving a treatment applied to 4 test subjects, researchers plan to use a simple random sample of 4 subjects selected from a pool o

What is a footnote? A. An online link. B. An offline link to more information c. A description of the text citation