Answer:
knew piano did not know piano total
knew guitar 17 22 39
didnot know guitar 8 3 11
total 25 25 50
step by step solution:
- Jake found that 39 students in his school could play the guitar and 17 of those students could play the piano, as well.
- There were 8 students who could not play the guitar but knew how to play the piano.
- There were 3 students who knew neither guitar nor piano.
Hence the total number of people who knew to play guitar is:
39
and those who do not know how to play guitar is: 8+3=11
The total number of people who knew to play piano is: 17+8=25
and the total number of people who do not know to play piano =(39-17)+3=22+3=25.
The table of the following information could be given as:
knew piano did not know piano total
knew guitar 17 22 39
didnot know guitar 8 3 11
total 25 25 50