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

What term refers to people who share a common language, customs, or heritage?
Which one of the following sentences includes a prepositional phrase? A. He came when I was away. B. Because it was raining, Gladys stayed indoors. C. Lois tr
The digestion process starts in the _____. esophagus stomach small intestine mouth
Sam has 128 marbles how many hundreds are in this number
To convert drams to grams, multiply the number of drams by which number?
what is 5.5 as an improper fraction?
List the first 3 common multiples of 2 and 3 , 3 and 6
Which word in the sentence is a participle? Do not lean on the painted walls. a. painted b. Do c. on d. lean
a penny dropped into a wishing well reaches the bottom in 1.50 seconds. what was the velocity at impact
is this correct?: data can be arranged in visual displays called _graphs_ to make identifying trends easier. (or would it be bar graphs..?