Study the following graph carefully to answer these question .
per cent profit earned by two companies producing electronic goods over the years
% $$profit = \frac{profit Earned}{Total Investment}\times100$$
profit Earned=Total Income-Total Investment in the year
If the income of company A in 2007 and that in 2008 were equal and the amount invested in 2007 was rs 12 lakh what was the amount invested in 2008 ?
Solution
Let the income be x.
Total income in 2007 =12 lacs+.45*12 lacs = 17.4 lacs
Now income in 2008 = x+0.6x=1.6x=17.4 lacs
x=10.875 lacs= 10,87,500
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