Answer:
the first one , its a straight line and has no arrow
At the end of the 3 hour period the temperature would have decreased by 6.75.
The answer you're looking for is .5 Hope it helps ;)
The answer is 7 sections
In this type of question, you just need to divide the total length of the line that drawn by Jason with the length of sections that Jason want.
So, the calculation would be:
(7/8) / (1/8)
= 7/8 x 8/1
= 7 amount of sections