4 years ago

The price for a TV was decreased by 20% and then by 10%. By what percent was the new price lower than the original?

1 answer:

8 0

The original price would have been 100%
Then when decreased by 20%, the new percentage price would have been -120%
Then when decreased further by 10%, the new percentage price would be -130%

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3 years ago

How can 1/5x − 2 = 1/3x + 8 be set up as a system of equations? a . 5y − 5x = −10. 3y − 3x = 24 b. 5y − 5x = −10. 3y + 3x = 24 c

VMariaS [17]

The answer is d. 5y − x = −10. 3y − x = 24

$\frac{1}{5}x-2= \frac{1}{3}x+8=y$
⇒    $y= \frac{1}{5}x-2$
   $y= \frac{1}{3}x+8$
________________________
$y= \frac{x}{5} -2= \frac{x}{5} - \frac{10}{5} = \frac{x-10}{5}$
$y= \frac{x}{3} +8= \frac{x}{3} + \frac{24}{3} = \frac{x+24}{3}$
________________________
$y= \frac{x-10}{5}$ ⇒    $5y=x-10$
$y= \frac{x+24}{3}$   ⇒    $3y=x+24$
________________________
$5y-x=-10$
$3y-x=24$

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3 years ago

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klio [65]

Answer:

Step-by-step explanation:

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3 years ago

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natima [27]

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How-to-do:

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Alexandra [31]

Answer:

Step-by-step explanation:

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3 years ago