3 years ago

What's the percent change of 36;63

Mathematics

1 answer:

Bad White [126]3 years ago

5 0

The percent change from 36 to 63 is 63/36=1.75 (multiply by 100 to get a percentage) 175%

The percent change from 63 to 36 is 36/63=0.571=57.1%

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2 years ago

The formula A equals =P left parenthesis 1 plus r right parenthesis squared (1+r)2 gives the amount A in dollars that P dollars

vlabodo [156]

The interest rate is 3.5%.

EXPLANATION

We substitute the given values into the formula;

$A=P(1+\frac{r}{100})^t$

to obtain

$6427.35=6000(1+\frac{r}{100})^2$

We divide through by 6000 to obtain,

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$1.071225=(1+\frac{r}{100})^2$

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$\sqrt{1.071225}=(1+\frac{r}{100})$

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$1.035=(1+\frac{r}{100})$

Add -1 to both sides of the equation to obtain

$0.035=\frac{r}{100}$

Multiply through by 100 to obtain;

$r=3.5$ %

$Therefore the rate is 3.5%$