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Anna [14]
3 years ago
9

Pls help me solve :The salary of a man was increased in the ratio 40:47. Calculate the percentage increase in the salary A. 85.1

%. B. 58.5%. C. 17.5%. D. 14.9%
​
Mathematics
1 answer:
evablogger [386]3 years ago
5 0
85.1% is the answer. Hope this helped.
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Answer:

We know that in a parallelogram two opposite angles are equal -

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\\  \implies \sf \: x =  \frac{2}{3} y \\  \\  \\  \implies \sf \frac{x}{2}   =  \frac{y}{3}  = k \\  \\  \\  \qquad \sf \small \underline{ x = 2k \:   \: \& \:  \: y = 3k} \\

Now, by using equation (1) :

\\  \implies \sf \: 2k + 3k = 180 \\  \\  \\  \implies \sf \: 5k = 180 \\  \\  \\  \implies \sf \: k =  \frac{180}{5}  \\  \\  \\   \large{ \boxed{ \sf{k =  {36}^{ \circ} }}} \\

<u>Now</u><u>,</u><u> </u><u> </u><u>by</u><u> </u><u>putting</u><u> </u><u>the</u><u> </u><u>value</u><u> </u><u>of</u><u> </u><u>k</u><u> </u><u>in</u><u> </u><u>x</u><u> </u><u>and</u><u> </u><u>y</u><u>.</u><u> </u>

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<u>Therefore</u><u>,</u><u> </u><u>the</u><u> </u><u>right</u><u> </u><u>option</u><u> </u><u>and</u><u> </u><u>small</u><u>est</u><u> </u><u>angl</u><u>e</u><u> </u><u>is</u><u> </u><u>b</u><u>)</u><u> </u><u>7</u><u>2</u><u>°</u><u>.</u>

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Step-by-step explanation:

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where r is the APR (.0276), n is the number of yearly compoundings (12), P is the monthly payment ($280), and t is the number of years (15). Putting the numbers into the formula and doing the arithmetic, we get ...

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If her deposits are at the end of the month, the balance will be $62,347.25.

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\boxed{\sf  \: \begin{cases}\\\begin{gathered} {{{ \sf {\red{\large\bf { {\rm {\orange{\begin{array}{r | l}2&\underline{2,3}\\3&  \underline{1,3}\\&\underline{1,1}\ \: \end{array}}}}} }}}}}\end{gathered}\\\end{cases}}

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