A trader goes to Ghana for y days with y cedis. For the first x days, he spends X cedis per day. The amount he has to spend per day for the rest of his stay is

A.
(frac{y(y – x)}{y – x}) cedis 
B.
(frac{Yy – Xx)}{y – x}) cedis 
C.
(frac{Y – Xy)}{y – x}) cedis 
D.
(frac{Y – X}{y – x}) cedis 
E.
(frac{Y – Xx}{y – x}) cedis
Correct Answer: Option E
Explanation
The amount he has to spend per day for the rest of his stay is (frac{Y – Xx}{y – x}) cedis