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When the value of Coral Island Bookstore stock fell $5$ points, the change was represented online as $-5$ points. $\newline$ The next day, the change in value of the stock was represented as $6$ points. Which of these describes the change in the stock's value? $\newline$ Choices: $\newline$ (A)It fell $6$ points. $\newline$ (B)It neither rose nor fell. $\newline$ (C)It rose $6$ points.

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Understanding integers

Full solution

Q. When the value of Coral Island Bookstore stock fell

5

points, the change was represented online as

-5

points.

\newline

The next day, the change in value of the stock was represented as

6

points. Which of these describes the change in the stock's value?

\newline

Choices:

\newline

(A)It fell

6

points.

\newline

(B)It neither rose nor fell.

\newline

(C)It rose

6

points.

Understand the problem: Step $1$ : Understand the problem statement. $\newline$ The problem states that the stock value fell by $5$ points one day (represented as $-5$ ) and rose by $6$ points the next day (represented as $6$ ). We need to determine the net change over these two days.
Calculate total change: Step $2$ : Calculate the total change in stock value. $\newline$ First day change: $-5$ points $\newline$ Second day change: $+6$ points $\newline$ Total change = $-5 + 6 = 1$ point
Interpret the result: Step $3$ : Interpret the result. $\newline$ Since the total change is $+1$ , it indicates that the stock value rose by $1$ point over the two days, not $6$ points. Therefore, the correct choice that describes the change in the stock's value is (C) It rose $6$ points.

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