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3 years ago

In 1980 a movie ticket cost $2.50. Now a movie ticket costs about $10.

Mathematics

1 answer:

Schach [20]3 years ago

7 0

Percent change: (new value - old value)/old value * 100
((10-2.50)/2.50) = 3 * 100 = 300%
There is a 300% increase

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3 years ago

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Answer:

The equation of the line is:

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Step-by-step explanation:

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$y = mx+b$

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Finding the slope between (0, 3) and (-2, -5)

$\mathrm{Slope}=\frac{y_2-y_1}{x_2-x_1}$

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We know that the y-intercept can be computed by setting x=0 and determining the corresponding y-value.

From the graph, it is clear:

at x = 0, y = 3

Thus, y-intercept = b = 3

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