Simona's music book includes 50 piano tunes, of which 7 are by Bach, and 18 are by Mozart. If Simona chooses a tune at random, w
hat is the probability that it is either by Bach or by Mozart?
1 answer:
1/2, because there are 25 tunes by Bach or Mozart, and 25/50 simplifies to 1/2
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It’s 28273773737373838383838383

Divide both sides by 25 to isolate x:
1) y:10;
2) 4p+6q;
3) x +( x+ 1) = 59 => 2x = 58 => x = 29 => 29 and 30;
A. 12=12
B. 15=15
C.16 = 16
D.15=15