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

Given the information in the velocity vs. time graph, what is the displacement of the object after 1 second? m After 3 seconds? m After 5 seconds?
What is the code for a make up artist (Doing a project for cosmetology) please help
A communications satellite orbiting the earth has solar panels that completely absorb all sunlight incident upon them. The total area A of the panels is 10m2.1)
WXYZ is a quadrilateral in which W^=108 degrees, X^=88 degrees, Y^=57 degrees and WX^Y= 31 degrees. Calculate angle WZ^X and XZ^Y Plzzz i really need to know
Wnite in scientific notation: 254.000​
the meaning of belt drives
A company's ________ tells you how much money the company has left over after subtracting all expenses. A. Net profit B. Gross profit C. Revenue D. Cost of good
Please help! On my 2nd attempt again. '-'
what are the states in the mountain and basins region? ​
Simplify.-4 (3-1) + 2 ​