The graph shows Mia's journey from her home to university - OCR - GCSE Maths - Question 2 - 2017 - Paper 1
Question 2
The graph shows Mia's journey from her home to university.
Calculate Mia's average speed for the whole journey.
Worked Solution & Example Answer:The graph shows Mia's journey from her home to university - OCR - GCSE Maths - Question 2 - 2017 - Paper 1
Step 1
Calculate Total Distance Travelled
96%
114 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
From the graph, the total distance from home to university is 160 kilometres.
Step 2
Calculate Total Time Taken
99%
104 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
The time taken for the journey can be found from the graph, starting at 09:00 and ending at 11:00. This gives a total time of 2 hours (or 120 minutes).
Step 3
Calculate Average Speed
96%
101 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
The formula for average speed is given by:
extAverageSpeed=Total TimeTotal Distance
Substituting the values, we have:
Average Speed=2 hours160 km=80 km/h
Thus, Mia's average speed for the whole journey is 80 km/h.
