Question

9. A taxi driver 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?

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Answer 1

Step-by-step explanation:

Petrol filled on Monday = 40 liters

Petrol filled on next day = 50liters

Total petrol filled = 90liters

Now, Cost of 1 liter petrol = Rs. 44

Cost of 90 liters petrol = 44 x90

= 44 x (100 – 10)

= 44 x 100 – 44 x10

= 4400 – 440

= Rs. 3960

Therefore, he spent Rs. 3960 on petrol.