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272 people attend a School brass band competition.There are 223 children and 16 teachers,the rest are parents.Haw Manu parents are there?​

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Answer:

There are 33 parents attend the school brass band competition

Explanation:

The attend = Children + Teachers + Parents

The number of attend = 272

The number of children who attend = 223

The number of teachers who attend = 16

The number of parents who attend = x

Substitute the numbers in the equation above

272 = 223 + 16 + x

223 + 16 = 239

272 = 239 + x

Subtract 239 from both sides

33 = x

x represents the number of the parents who attend

There are 33 parents attend the school brass band competition

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