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Snowcat [4.5K]
3 years ago
13

Is the Port Townsend sales price ever double the Seattle sales price?

Mathematics
1 answer:
Rainbow [258]3 years ago
3 0

Using linear functions, it is found that the sales price in Port Townsend is never double the Seattle price.

A linear function has the following format:

y = mx + b

In which:

  • m is the slope, which is the rate of change.
  • b is the y-intercept, which is the initial value.

For Seattle:

  • Initial value of $38,000 in 1970, thus the y-intercept is b = 38000.
  • Increased by $137,000 in 20 years, thus the slope is:

m = \frac{137000}{20} = 6850

Thus, the <u>sales prince in n years after 1970</u> for Seattle is:

S(n) = 38000 + 6850n

For Port Townsend:

  • Initial value of $8,400 in 1970, thus the y-intercept is b = 8400.
  • Increased by $160,000 in 20 years, thus the slope is:

m = \frac{160000}{20} = 8000

Thus, the <u>sales prince in n years after 1970</u> for Port Townsend is:

P(n) = 8400 + 8000n

Port Townsend is double Seattle in n years after 1970, for which:

P(n) = 2S(n)

Then

8400 + 8000n = 2(38000 + 6850n)

8400 + 8000n = 76000 + 13700n

7500n = -67600

Negative number, and we are working only with positive, thus, it is found that the sales price in Port Townsend is never double the Seattle price.

A similar problem is given at brainly.com/question/23861861

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