Instructions
Study the graph carefully to answer the questions that follow:
Per cent profit made by two companies over the years
Per cent profit=$$\frac{Income-Expenditure}{Expenditure}\times 100$$
Question 126
If in the year 2004 the expenditures incurred by Company A and B were the same what was the ratio of the income of Company A to that company B in that year ?
Solution
Percentage profit by company A = 35%
Percentage profit by company B = 40%
Let expenditure be x
(Income of A - x)/x = 0.35
Income of A = 1.35x
(Income of B - x)/x = 0.4
Income of B = 1.4x
Income of A:Income of B = 1.35:1.4 = 27:28
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