3 years ago

Can someone help with this question? $32,000;7%decrease

1 answer:

3 0

To find a decrease using a percentage you:

Original Amount - (Original Amount x Percentage)

So plug in:

32000 - (32000 x 7%) = 32000 - (32000 x 0.07) = 29760

The amount with a 7% decrease is $29,760.

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A bicycle was originally sold for $400 was on sale for $320. what percent was the bike marked down?

Eva8 [605]

100% of the price = $400
x % of the price = $320
we need to find x

using a proportion
100 : 400 = x : 320
100 * 320 = 400 * x
32000 = 400x
x = 32000 / 400
x = 80

That means the new price is 80% of the previous price.
100% - 80% = 20%
and based on this we can make a conclusion that the discount was 20%

I hope it is clear to you, feel free to ask anything about it :)

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Marianna [84]

$\bf \begin{array}{ccll}
\stackrel{cake}{oz}&calories\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
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2.5&x
\end{array}\implies \cfrac{7.5}{2.5}=\cfrac{900}{x}\implies x=\cfrac{2.5\cdot 900}{7.5}$

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8 0

3 years ago

Which of the following best defines 3 to the power of 2 over 3?

Paha777 [63]

3 to the power of 3 is 9 or 3x3=9

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The radius of a circular field is 70 metres.

NeTakaya

Answer: 439.82

Step-by-step explanation: