kyleallen3321 kyleallen3321
  • 24-04-2019
  • Mathematics
contestada

The ratio of boys to girls at a school is 9 to 11. If 400 students attend the school, how many are girls? 50 140 220 215

Respuesta :

elizabeth287
elizabeth287 elizabeth287
  • 24-04-2019

It would be 220 because 20 students in all, 20×20 is the 400 students. so if you just multiplied the 9 and 11 by 20, it would match up with 400 students and you would have 220 girls. (This is not how most people work this out, but I hope it helped).

Answer Link

Otras preguntas

Let x be random variable that represents the length of time it takes a student to write a term paper for Dr Adams sociology class. after interviewing many stude
What questions you would like to ask your teacher to know about the role of vaccine in prevention of harmful diseases ​
The sequence -1, 1, -1, 1 and so on is
********Examples of complex skills​
Which point lies on the graph of the finite sequence shown? 5, –1, 6, 0, 7, 1, 8 (–1, 2) (0, 5) (5, 1) (6, 1).
LAST ATTEMPT IM MARKING AS BRAINLIEST!! (Graph the image of the figure using the dilation given)
What do these weapon stats mean? Idle sway control is measured in Fc??? Flinch resistance is measured in N.
What another number is divider to pi 3.14
A 570 kg elevator accelerates downwards at 1.5 m/s2 for the first 13 m of its motion. Part A How much work is done during this part of its motion by the cable t
30 POINTS!! Which tense would the verb in parentheses use? It was December 8th when they (got engaged). Future Preterite Present Imperfect