sciencegeekgirl2017 sciencegeekgirl2017

22-03-2017
Mathematics

contestada

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 :

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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