125% of e is 30. What is e ?

Mathematics

1 answer:

andreev551 [17]3 years ago

6 0

well, "e" will be the 100%, and we know that 125% of "e" is 30, so then

$\bf \begin{array}{ccll} amount&\%\\ \cline{1-2} e&100\\ 30&125 \end{array}\implies \cfrac{e}{30}=\cfrac{100}{125}\implies \cfrac{e}{30}=\cfrac{4}{5}\implies 5e=120 \\\\\\ e=\cfrac{120}{5}\implies e = 24$

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The range that the amount withheld vary if the weekly wages, after subtracting withholding allowances, vary from $600 to $700 inclusive is: 76.35<x<101.35.

<h3>Range</h3>

Given

592<x1317

74.35+.25

Hence:

Lowest range

74.35+.25(600-592)

74.35+.25(8)

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Highest range

74.35+.25(700-592)

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Range

76.35<x<101.35

Therefore the range that the amount withheld vary if the weekly wages, after subtracting withholding allowances, vary from $600 to $700 inclusive is: 76.35<x<101.35.

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Step-by-step explanation:

From the definition of the secant line we get that the average rate of change of $P(x) = -0.015\cdot x^{2}+1.2\cdot x -11.5$ , where $x$ is the selling price of the product, measured in dollars per unit, is: