Question

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Answer 1

Answer:

The correct answers are

Sal walks 14 km in 4 h

Sal walks 3.5 km in 1 h

Step-by-step explanation:

Given:

Distance represented by Y axis in kilometer.

Time represented by X axis in hour,

The graph of line is showing distance walked. And the two points are (1, 3.5) and (4, 14).

In plotting of points the first coordinate is always the X coordinate that is time in hour here, and the second coordinate is always the Y coordinate that is distance in km.

Therefore, the given below two options are correct

Sal walks 14 km in 4 h

Sal walks 3.5 km in 1 h

Answer 2

Answer:

Sal walked $14\ km$ in $4$ hours.

And

Sal walked $3.5\ km$ in $1$ hour.

Step-by-step explanation:

If we go through the graph we can see that distances are plotted on $y-axis$ and time is plotted on  $x-axis$.

So the $y-axis$ coordinates are the distances traveled by Sal and the  $x-axis$ coordinates are the time in hours taken for the charity walk.

Note:The first coordinate is for $x-axis$ and the second coordinate point is for $y-axis$.

We have $(x_1,y_1)= (1,3.5)$ and $(x_2,y_2)= (4,14)$

So it covers $y_1=3.5\ km$ in $x_1=1$ hour and  $y_2=14\ km$ in $x_2=4$ hours.

So we have two correct options that is option a and d.