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?
Solution
Money spent on Monday = Rs
Money spent on Tuesday = Rs
Total money spent on petrol = Money spent on Monday + Money spent on Tuesday
(Distributivity of multiplication over addition)
Rs 3,960
Therefore, total money spent on petrol = Rs 3,960
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