gonzalezdavid1842 gonzalezdavid1842
  • 01-07-2018
  • Mathematics
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There are 16 girls in a school club. the number of girls is four more than twice the number of boys. find the number of boys.

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AL2006
AL2006 AL2006
  • 01-07-2018
The number of boys . . . . . B
Twice the number of boys . . . 2B
4 more than twice the number of boys . . . 2B+4

You said that the number of girls is equal to that, so . . .  G = 2B+4

But you also told us what  G  is:  16 = 2B+4

Subtract  4  from each side:  12 = 2B

Divide each side by  2 :  6 = B

There you have it.  There are  6 boys in the club.
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