Instructions

Study the following graph carefully to answer the question that follow:
Percent profit made by two companies over the years
$$Per cent Profit =\frac{Income-Expenditure}{Expenditure}\times100$$

Question 126

If in the year 2004 the expenditure incurred by Company A and B was the same What was the respective ratio of the income of Company A and B in that year ?

Solution

Let expenditure of both be e, income of a is p and b is q, as per the graph,we have

35=(p-e)/e*100 So P=( 35e/100)+e, similarly q=(40e/100)+e, solve for p/q, we obtain 135/140 Or 27/28.


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