5^4
------
5^6
625
-----
15,625
625/15625=25
Answer:

Step-by-step explanation:
Notice when x increases 1, y is 4 times the previous one, so
the function is like 
To determine the constant C, put any pair of (x, y)
Use x = 0, y = 0.2, so
0.2 =
= C * 1 = C
then 
160cm3
2/5 - 1/4 = 8/20 - 5/20 = 3/20
(3/20)t = 24
t = 160
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▹ Answer
<em>$49,980</em>
▹ Step-by-Step Explanation

Hope this helps!
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Answer60
Step-by-step explanation: