Algebra

The answer is 45.

Parker and his three friends went trick-or-treating together. If Parker got 11 pieces of candy, and each of his friends got three times as much candy as he did, how many pieces of candy did Parker and his friends get in all?  

Parker         11 pieces  

1^st friend     33 pieces  

2^nd friend    33 pieces  

3^rd friend     33 pieces  

TOTAL       110 pieces of candy  

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