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Rashawn read 25 pages of his book each day until he finished the book. His book was 400 pages long.

Which sketch represents this situation?

Rashawn read 25 pages of his book each day until he finished the book. His book was-example-1

2 Answers

3 votes

The first thing we are going to do for this case is define variables.

We have then:

x: number of days

y: number of pages remaining.

We write the linear equation that models the problem:


image

The intersection with the vertical axis is:

We evaluate x = 0:


image

We get the point:


image

The intersection with the horizontal axis is:

We evaluate y = 0:


image


image

We get the point:


image

Answer:

The graph is:


image

Graph located in the bottom left.

User Russiansummer
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8.5k points
1 vote
graph in the bottom left
reason: he started off with 400 pages and thats at (0,400), he reads 25 each day and so it slowly declines until day 16 when hes run out of pages to read, represented in (16,0)
User Tinsa
by
7.5k points