Answer:
27 and 28
Step-by-step explanation:
No, line graphs are used only to show change over time
3*40 + x / 4 = 45.
The answer of x comes out to be 60. Which means that the speed was travel around 60 miles per hour in the last one hour of the total journey.
Well to understand how i constructed its equation is very simple. I equated the total average speeds answer to 45 and just calculated the average speeds with the help of algebra where x is the number of miles..
1/3
Think of a pizza. 2/3 of a pizza is more than 1/3 of a pizza