Answer:
75(1/3)^(n-1).
Step-by-step explanation:
This is a Geometric sequence whose common ratio is 15/75 3/15 = 1/3.
so the nth term an = a1 r^(n-1)
= 75(1/3)^(n-1).
140x12+105x4+55x12= 86,340 a month
12. P(4) = 1/6
13. P(odd) = 3/6 = 1/2
hope this helps, pls mark brainliest :D
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