<span>one approach first write the formula substitute what you are given to find the rate you have the initial amount and the amount after a specified time do you see that it changed by (51 -48) millions in a period of (1997-1990) years using this rate with the new time (2017-1997) years and the new initial amount 51 million plug into the formula to find the new amount. Round your answer to the nearest million. the amount is calculated in millions. use the nearest whole number.</span>
Answer:
The petrol used was 0.1 litre for every 1 kilometre.
Answer:
18
Step-by-step explanation:
THE MEDIAN IS THE MIDDLE NUMBER IS 86 AND 90
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