joannadegro
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

The potential, idealized ecological niche of an organism is called ___
About how many years ago was Dinosaurs extinct from the earth How old is the earth
Why was Charleston an important city to the South?
X+2747.3739=4728 What is x
What is the sum of 1/4 1/8 and 3/8
Who was the most sacred person in Egyptian society?
Which of the following stamens about age of consent is NOT accurate
What was a RESULT of the Crusades? 1) European conquest of the Middle East 2) fall of the Byzantine Empire 3) growth of trade with the Middle East 4) rise of Ch
A 12 pack of scented pencils sells.for $3.00 at the book store. What is the sales tax rate is the total cost of the pencils is $3.21
Consider the irrational number 73 . Between what two integers is the value of this number?