Instrument 24651

Of the 30 students in the class, two-fifths are boys. A quarter of them are learning to play a musical instrument. 6 girls also play it. What percentage of students in this class do not play any musical instrument?

Correct answer:

p =  70 %

Step-by-step explanation:

z=30 c=52 z=52 30=52 30=560=12 d=zc=3012=18  h=41 c+6=41 12+6=9  p=100 zzh=100 30309=70%

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