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six people went into the woods to look for truffles. on average they collected 7 truffles per person. the average of the first four people to come back was 8 truffles per person. in fact, the fourth person to come back had 11 truffles in his basket. how many truffles did the last three people collect altogether?

Verified Answer :

Edufirst

1) Average of six people = # of truffles / 6 = 7 ⇒ # of truffles = 67 = 42.

2) Average of first four people = # of truffles of the first four / 4 = 8 ⇒ # of truffles of the first four = 48 = 36

3) # of truffles of the fourth person = 11

4) # of truffles of the first three people = 36 - 11 = 25

5) # of truffles of the last three people = 42 - 25 = 17

Answer 17.

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