Question
A person spends 12% of his income on rent and 20% of the
remaining income on entertainment. If the amount spent on rent is Rs. 4,800, then find the amount spent on entertainment.Solution
Let the income of the person be Rs. x.
Amount spent on rent = 0.12x = Rs. 4,800
Total income = 4,800 Ă· 0.12 = Rs. 40,000
Amount spent on entertainment = 0.20 Ă— (0.88x) = 0.176x = 40,000 Ă— 0.176 = Rs. 7,040
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