xxxyi
xxxyi xxxyi
  • 02-04-2022
  • Mathematics
contestada

Ratio of boys to girls

Ratio of boys to girls class=

Respuesta :

Nepalieducation
Nepalieducation Nepalieducation
  • 02-04-2022

Answer:

→Boys=6

→Girls=14

Step-by-step explanation:

[tex]Solution,\\\\Ratio\:of\:boys\:to\:girls=3:7\\\\Total\:students=20\\\\Let,\\\\\hookrightarrow Boys=3x\\\\\hookrightarrow Girls=7x\\\\Now\:we\: have,\\\\\hookrightarrow 3x+7x=20\\\\\hookrightarrow 10x=20\\\\\hookrightarrow x=20/10=2\\\\Again,\\\\\hookrightarrow Boys=3x=3\times2=6\\\\\hookrightarrow Girls=7x=7\times2=14[/tex]

Answer Link

Otras preguntas

How does one become an elector for the electoral college?
Vhich list shows the chronological order of events in chapters 6 and 7 of Holes
How does food from entering the trachea.
Combining Sentences Prompt Read the sentences below. Notice that these sentences are short and choppy and they repeat some information: • Sir Nils Olav is a kin
pleaseeeee helpppppppppppppp
Why did herbert hoover cause the great depression.
(c) Ada is x years old and Bill is y years old. Last year, Bill was 6 times as old as Ada. (1) Form an equation in x and y and show that it simplifies to y = 6x
can someone lease tell me the answer to this question i'm abt to ask? what is 1 + 1/4?
Write the subtraction expression as an equivalent addition expression and then evaluate it. 22−37
How can coordinate proof be used to show segments are congruent?