3 years ago

If something starts out costing $500, and then is marked down by 25% on each of three separate occasions,what is the final price

1 answer:

3 0

First markdown: 0.75($500) = $375
Second markdown: 0.75($375) = $281.25
Third markdown: 0.75($281.25) = $210.94

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den301095 [7]

1/6 is the answer. Good luck!

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allochka39001 [22]

The answer is 23 because they have to add up to 90 :) - beanz

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zmey [24]

Answer:

Step-by-step explanation:

Slope = (y2 -y1)/(x2-x1)

y2 = 800, y1 = 400, x2= 4, x1= 2

Slope = (800-400)/(4-2)

= 400/2

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3 years ago

leonid [27]

25 = 5*5 and 9 = 3*3, which we can exploit to write

$25^x-9^y=(5^2)^x-(3^2)^y=5^{2x}-3^{2y}=(5^x)^2-(3^y)^2$

so that this expression is actually a difference of squares. We can factorize this to get

$(5^x-3^y)(5^x+3^y)=18$

and given that $5^x-3^y=3$ , we divide both sides by this to get

$5^x+3^y=\dfrac{18}3=\boxed{6}$

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3 years ago

Veronika [31]

The 1. (178,632)
Remember, one hundred thousand is = 100,000

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3 years ago