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Svet_ta [14]
1 year ago
12

Find the percent change from the first value to the second 50;30

Mathematics
1 answer:
Alex787 [66]1 year ago
5 0

Answer:

-40%

Step-by-step explanation:

NV = new value

OV = old value

percent change = (NV - OV)/(OV) × 100%

percent change = (30 - 50)/(50) × 100%

percent change = -20/50 × 100%

percent change = -40%

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\frac{2*7}{-3}  =  \frac{14}{-3}

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= - \frac{14}{3}

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Apply rule  - ( - a) = a

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Convert  element to fraction :

63 =  \frac{63}{1}

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Find the LCD 1*3 = 3

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\frac{-3+63+14}{3} =  \frac{-175}{3}

<span>Apply the fraction  rule : \frac{a}{-b} = - \frac{a}{b}</span>

= - \frac{175}{3}

hope this helps!

4 0
3 years ago
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Step-by-step explanation:

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2.The amount of money in Sam's bank account can be expressed by the following function, where x represents the number of weeks.
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