Answer:
Step-by-step explanation:
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Hope I helepd
Answer:
A. t(x) = 450 - 0.06x
Step-by-step explanation:
The layer which is originally 450 m thick is decreasing by 0.06 m.
450 - 0.06
... per day. x represents days.
0.06x
So,
450 - 0.06x
X=8 i did mental math but 56x-16-x=424
+16 +16
55x=440
/55 /55
x=8