A car owner buys petrol at Rs. 7.50, Rs. 8 and Rs. 8.50 per litre for three
successive years. What approximately is the average cost per litre of petrol if he
spends Rs. 4000 each year?
Answers
Answered by
1
Step-by-step explanation:
Rs.7.98
Total quantity of petrol consumed in 3 years =(
7.50
4000
+
8
4000
+
8.50
4000
)litres
=4000(
15
2
+
8
1
+
17
2
)litres
=(
51
76700
)litres
Total amount spent =Rs.(3×4000)=Rs.12000.
∴ Average cost =Rs.(
76700
12000×51
)=Rs.
767
6120
=Rs.7.98
Answered by
0
Answer:
A car owner buys petrol at Rs 7.50, Rs. 8 and Rs. 8.50 per litre for three successive years. What approximately is the average cost per litre ...
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