Study the following graph carefully and answer the questions given below it
Q14. Ratio of expenditure of company A’s and B’s was 3:4 respectively. What was the respective ratio of their income in 1999?
(d) 26 : 21
Let us say, in 1999 ratio of expenditure of A : B = 3 : 4
Ratio of their percentage profits is 30 : 40 (from the graph), which means
The ratio of their income = (3 x 130) : (4 x 140) = 390 : 560 = 39 : 56.