HKCEE - 2007 - Paper 1 -

Ans: $43$
Let $x$ and $y$ be the number of elderly patients an

Ans: B
Let $\$x$ and $\$y$ be the prices of an orange and apple

Ans: (a) $t=\dfrac{5s}{2}$ (b) $s=274$, $t=685$

1. $\begin{

Ans: D
$\left\{ \begin{array}{ll}
m+2 = n-1 & \ldots \

Ans: $64$
Let $x$ and $y$ be the number of stamps owned by John

Ans: $\$6$
Let $\$x$ and $\$y$ be the cost of a bottle of orang

Ans: A
$\left\{ \begin{array}{ll}
2p+q=3 & \ldots \u

Ans: $78$
Let $x$ and $y$ be the original number of boys and gi

Ans: C
Let $\$x$ and $\$y$ be the price of a pen and a pencil res