? Required ratio = the ratio of the total sales of Branch B2 in 2000 and 2001 years : the ratio of the total sales of Branch B4 in 2000 and 2001 years
the ratio of the total sales of Branch B2 in 2000 and 2001 years = 75 + 65 = 140
the ratio of the total sales of Branch B4 in 2000 and 2001 years = 85 + 95 = 180
Required ratio = 140:180 = 7:9
Let us assume E was the expenditure in 1994.
As we can see in the graph given that,
Profit = 15 % ,
Income in 1994 = 160
Then according to question,
E + E x 15 % = 160
E + E x 15 /100 = 160
(100E + E x 15 ) /100 = 160
115E / 100 = 160
115E = 160 x 100
E = 160 x 100 / 115
E = 139.13
Expenditure in 1994 E = 139.13 ? 140 Million
Let us assume E was the expenditure in 1997.
As we can see in the given graph that,
Income in 1997 = 190
Profit = 25 % (Given in the question.)
Then according to question,
E + E x 25 % = 190
E + E x 25 /100 = 190
(100E + E x 25 ) /100 = 190
125E / 100 = 160
125E = 190 x 100
E = 190 x 100 / 125 = 190 x 4 / 5 = 38 x 4
E = 152
Expenditure in 1997 E = 152 Million
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