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

1. a pyramid has a base area of 10in^2 and a height of 3.09 in. what is the volume of the pyramid? 2. A cylinder has a diameter of 14ft. and a height of 10 ft.
What is the best estimate for the sum of 3/8 and 1/12?
Fran sells brownies $3 each she cuts pan of brownies into 6 pieces if she makes 4 pan of brownies how much money she make
Frazier has $1,200 in savings. He works because he is saving money for college, and he earns $9 an hour. If Frazier saves 25 percent of his net pay, after 20 pe
f(x) = cos(x) f'(x) = -sin(x) f'(π/2) = -sin(π/2) f'(π/2) = -1 My answer to this question is A. -1, but I am posting it here because several students got B. +1
If a female fruit fly heterozygous for red eyes crossed with a white eyed male what percent of there offsprings would have white eyes?
Enzymes that breakdown disaccharides are located ________. a. in the lumen of the small intestine.
I need soooomych Help
In what way are environmental racism and institutional racism alike?
Find the correct phrase to give this sentence a parallel structure