Indira makes a graph to show how many pages of her graphic novel she can illustrate
each day.
What is the constant of proportionality for
the relationship between pages and days?

A. ¾

B. 7½ pages

Step-by-step explanation:

A. Constant of proportionality, k, =

In this case, y = pages, while x = days.

Take any coordinate pair to calculate the constant of proportionality, k. Let's use (3, 4).

Constant of proportionality = ¾.

B. Number of pages (y), Indira would read in 10 days (x).

Substitute x = 10 and k = ¾, into

Multiply both sides by 10

Number of pages Indira can read in 10 days is 7½ pages.

no this is a nonlinear negative

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