2x-1/2=3-x
x2 x2
2x-1=3-2x
+1 +1
2x=4-2x
+2x +2x
4x=4
/4 /4
x=1
Answer:
The last graph best represents the story
Step-by-step explanation:
Mary left for school from rest. So the initial speed is zero.
So we start from the origin and draw a straight line with a positive slope to running, that is as time increases , distance covered also increases.
When she is resting, her speed is zero so we draw a horizontal line to indicate this second phase of her journey.
After resting she still continued her journey to school.
This part also has a positive slope.