A taxidriver filled his car petrol tank with 40 litres of petrol on Monday.
The next day,he filled the tank with 50 litres of petrol. If the petrol costs Rs.44
per litre, how much did he spend in all on petrol?
Answers
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Step-by-step explanation:
Petrol filled on Monday = 40 liters
Petrol filled on next day = 50 liters
Total petrol filled = 90 liters
Now, Cost of 1 liter petrol = Rs. 44
Cost of 90 liters petrol = 44 x 90
= 44 x (100 – 10)
= 44 x 100 – 44 x10
= 4400 – 440
= Rs. 3960
Therefore, he spent Rs. 3960 on petrol.
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