JAMB - Mathematics (1979 - No. 11)
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
\(\frac{y(y - x)}{y - x}\) cedis
\(\frac{Yy - Xx)}{y - x}\) cedis
\(\frac{Y - Xy)}{y - x}\) cedis
\(\frac{Y - X}{y - x}\) cedis
\(\frac{Y - Xx}{y - x}\) cedis
解释
The amount he has to spend per day for the rest of his stay is \(\frac{Y - Xx}{y - x}\) cedis