Answer:
62.5%
Step-by-step explanation:
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Answer:
Step-by-step explanation:
x 1= -9, x 2 = -1. so the third one
1/12 chance
You have 4 counters and want a red (1/4) then a white, but don't replace any which gives you (1/3) *since you don't replace the other one...* Then you multiply the two (1/4*1/3) and you should get 1/12.
S+a=150
3s+8a=1000
a=-s+150
3s-8s+1200=1000
-5s=-200
s=40
a=110
40 student and 110 adult tickets were sold