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3 years ago

5

3. You purchase a car using a $20,000 loan with a 5% simple interest rate.

1 answer:

nata0808 [166]3 years ago

3 0

A) A = 20,000 [Principle] * (0.05 [Interest] * 4 [Number of years]) = $4,000 interest

b) A = 20,000 [Principle] * (0.05 [Interest] * 2 [Number of years]) = $2,000 interest

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step by step explanation:

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2 years ago

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Let:

$\bar x \to$ <em> Mean</em>

$a \to$ <em> 5 scores</em>

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Given that:

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$a = \bar x + 1$

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$\bar x = \frac{\sum x}{n}$

So, we have:

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$\bar x =\frac{5(\bar x + 1) + b}{6}$

Open brackets

$\bar x =\frac{5\bar x + 5 + b}{6}$

Multiply both sides by 6

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Make b the subject

$b = 6\bar x -5\bar x - 5$

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Read more about mean at:

brainly.com/question/17060266

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