In store A there are 50 pairs of pants for every 40 store B has. The price ratio between the pants in store B and the pants in store A is 3:4. If all the pants were sold in both places until the stock ran out, what is the ratio between the total amount stores A earned to the total amount store B earned?  Choose the correct option.
A) 3:16.	B) 2:3.	C) 5:3.	D) 3:4.	E) 2:5.
1st statement : ratio of pants   Store A : Store B   50x : 40x   5X:4X   Price :   4y:3y   Total revenue   20xy : 12xy   5:3   Answer is 5:3.
<result>C</result>
In store A there are 50 pairs of pants for every 40 store B has. The price ratio between the pants in store B and the pants in store A is 3:4. If all the pants were sold in both places until the stock ran out, what is the ratio between the total amount stores A earned to the total amount store B earned?