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In a group of 120 pupils , 80 can play drums and 25 play piano . How many pupils can play both instruments if there are 3 pupils who can play neither.
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1 vote
In a group of 120 pupils , 80 can play drums and 25 play piano . How many pupils can play both instruments if there are 3 pupils who can play neither.

User Max Fomin
by
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1 Answer

6 votes

Answer:

  • 12 pupils

Explanation:

Number of pupils can play either instrument:

  • 120 - 3 = 117

Number of those can play both:

  • 117 - (80 + 25) = 12
User Evrim
by
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