Answer:
X=9
Y=2
Z=1
99+22=121
xx+yy=zyz
Step-by-step explanation:
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1) 12 out of 14 = 85% Win Rate
2) Now you have to figure out what is 85% of 21 so you have to plug in what you have ? out of 21 = .85
3) Multiply 21 x .85
4) Answer is They will win 18 out of 21 games