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belka [17]
3 years ago
7

The suit was marked down 20 percent for the sale, and its sale price was $120. What

Mathematics
2 answers:
MA_775_DIABLO [31]3 years ago
5 0

Answer:

Step-by-step explanation:

Let original price be x.

80% of x = $120

\frac{80}{100}*x=120\\\\x=120*\frac{100}{80}\\\\x=3*50\\

Original price of the suit = $ 150

Leona [35]3 years ago
3 0
I think the regular price is 100
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DiKsa [7]

The linear equation which can be used to determine a user's monthly

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Step-by-step explanation:

The given is:

  • A cell phone company charges $60.00 a month for up to 1 gigabyte of data
  • The cost of additional data is $0.05 per megabyte
  • d represents the number of additional megabytes used
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We need to find which equation can be used to determine a user's monthly bill

The form of the linear equation is y = mx + b, where b is the constant amount and m is the rate of change

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- That means it depends on the number of additional megabyte,

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∴ m = 0.05

∵ d represents the number of additional megabytes

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Substitute y by c, m by 0.05, x by d and b by 60 in the form of the linear equation above

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∴ c = 60 + 0.05 d

The linear equation which can be used to determine a user's monthly

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Learn more:

You can learn more about linear function in brainly.com/question/9801816

#LearnwithBrainly

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