Answer:
The petrol used was 0.1 litre for every 1 kilometre.
Answer:
10.375
Step-by-step explanation:
To find the mean, you need to add up all of the numbers and then divide by the amount of numbers.
4 + 5 + 8 + 12 + 12 + 13 + 14 + 15 = 83
83 ÷ 8 = 10.375
Let cost is one ticket be y
y = 106.25/x
Foil
15+6i-20i-8i^2
-8i^2=8
15+8+6i-20i
23-14i
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<span>https://youtu.be/iVs4dQsKBGE</span>