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Radda [10]
3 years ago
10

What percent is the change in the price if the price was $100 and now it is $1250?

Mathematics
2 answers:
Vsevolod [243]3 years ago
6 0

Answer:

  1150%

Step-by-step explanation:

The percentage change is ...

  percentage change = (amount of change)/(original amount) × 100%

  = ((new amount) - (original amount))/(original amount) × 100%

  = ($1250 -$100)/$100 × 100%

  = 1150/100 × 100%

  = 1150%

WINSTONCH [101]3 years ago
4 0

Answer: 1150%

Step-by-step explanation: To calculate the percentage increase in price we apply the formula:

Percentage change = [100 (New selling price/cost - Old price/cost)] / 100

New cost = $1250

Old cost = $100

Therefore, percentage change = [100 (1250 - 100)] / 100

(100 x 1150) / 100 = 1150%

Price increased by 1150% from $100 to $1250.

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Find the series in A.P whose sum to n terms is n*(n+2)​
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Answer:

3, 5, 7, 9, 11, .........

Step-by-step explanation:

Given

S_{n} = n(n + 2) , then

S₁ = 1(1 + 2) = 1(3) = 3 ⇒ a₁ = 3

S₂ = 2(2 + 2) = 2(4) = 8

S₃ = 3(3 + 2) = 3(5) = 15

Thus

a₂ = S₂ - S₁ = 8 - 3 = 5

a₃ = S₃ - S₂ = 15 - 8 = 7

The first 3 terms are 3, 5, 7

This is an AP with common difference d = 2, then

a₄ = a₃ + 2 = 7 + 2 = 9

a₅ = a₄ + 2 = 9 + 2 = 11

and so on

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3 years ago
suppose you inherited a house that was purchased in 1950 for $20,000. It is now 2015 and the value of the house has increased by
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Step-by-step explanation:

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3 years ago
Which of the following is equal to the fraction below?
Alecsey [184]
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4 0
3 years ago
The square of a whole number 'n' lies between 80 and 150. Find all possible values for 'n'.
pychu [463]
The square of a whole number n lies between 80 and 150, so n lies between √80 and √150.

\sqrt{80} \approx 8.9 \\
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n is a whole number and lies between 8.9 and 12.2, so n can be 9, 10, 11, or 12.

The possible values for n are 9, 10, 11, and 12.
5 0
4 years ago
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kherson [118]

Answer:

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Step-by-step explanation:

Giving the following information:

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Unitary cost= total cost / number of tires

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