sciencegeekgirl2017
sciencegeekgirl2017 sciencegeekgirl2017
  • 22-03-2017
  • Mathematics
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Please tell me how to solve:

200 children took part in a convert. There are 4 times as many girls as boys. How many girls were there? How many more girls than boys were there?

Respuesta :

irspow
irspow irspow
  • 25-03-2017
c=200, g=4b

c=b+g, now substitute c and g from above into this equation...

200=b+4b

200=5b  divide both sides by 5

40=b

So forty boys were in the concert.

Since g=4b girls=4(40)=160

Thus there were 160-40=130 more girls than boys.


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