Answer:
hope it will help you
Step-by-step explanation:
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x= 0
Because it scale factor
P(pumps) = 2/5
(Pumps)/(Everything)
(10)/(9+6+10)
10/25
2/5
2/15
2/3 / 5/1 =
2/3 x 1/5 = 2/15
