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Answer the questions based on the following information.
Question 47
The expenditure for the 7 years together form what per cent of the revenues during the same period?
Solution
Total expenditure = 102 + 110 + 115 + 125 + 135 + 140 + 150 = 877
Total revenue = 120 + 130 + 145 + 165 + 185 + 200 + 220 = 1165
%expenditure to revenue = $$\frac{877}{1165} \times 100$$ = 75 (nearly)
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