Question

3 products (a, b,

c.with different % sales (40, 60, 20), different average purchase amounts (1.2, 1.4, 1.6), what % b of toal sales?

Answer 1

Let the total sales of 3 products be A. B and C

Thus According to question

40% of A = 1.2
40/100 * A  = 1.2
A = 1.2 / 0.4
A = 3
And
60 % of B = 1.4
60/100 * B = 1.4
B = 1.4 / 0.6
B = 2.33
Also

C= 1.6 / 0.2
   C = 8

Thus Total sales = 3 + 2.33 + 8
                           = 13.33