Question 1149572
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Two of your numbers are inconsistent.  Either one is a typographical error, or the problem is flawed.<br>
It is either a 3.5% decrease per meter with a function y = 100(0.965)^x, or a 2.5% decrease per meter with a function of y = 100(0.975)^x.<br>
Re-post with consistent information.<br>
Better yet, since there is nothing about this problem that we can help you with in terms of HOW to find the answer, determine the correct function and use a calculator to find the answers yourself.<br>