nbegeyev419401
nbegeyev419401 nbegeyev419401
  • 03-02-2021
  • Mathematics
contestada

The ratio of boys to girls in a classroom is 2:1.

If there are 18 boys, how many girls are there?

Respuesta :

ShomiliPal07
ShomiliPal07 ShomiliPal07
  • 03-02-2021

Answer:

There are 9 girls.

Step-by-step explanation:

Assume the number of girls as X

Then the equation we get is

= 18:X=2:1

=> (18×1)/2 = X

=> 18/2 = X

=> 9 = X [ X is total number of girls, so the total number of girls is 9. ]

Hope this helps you.

Answer Link

Otras preguntas

Hamilton’s economic plan was designed to
What can cause the eruption from a shield volcano to become explosive?
Can someone please explain this.
For Thomas to deliver an informative speech about global warming, it is best for him to use this supporting material.
What was the motivation for a German POW to work?
Which practice is characteristic of modern families A. Patriarchy B. Preference for informal education C. Simple lifestyle D. Formal education carries high im
Help anyone please !!!! Will mark whoever comment first as brain-list
I have only worked in the retail industry so far, but i suppose i could work in high tech, too. What is the weakness in this sentence? A. it provides irrelevant
Which feature forms at a divergent boundary? rift valley island arc subduction zone collision zone
How do carbon-12 and carbon-13 differ? Select all that apply. They have different amounts of neutrons. They have different amounts of electrons. They have di