A square is cut into three rectangles X, Y and Z. 10 cm
х
Not to scale
Rectangle X has length 10 cm.
Rectangle Y has length ncm and width 5 cm.
Z
5 cm
a) (i) Write down an algebraic expression for the width of rectangle X.
cm [1]
(ii) Write down an algebraic expression for the area of rectangle Y.
cm (1
b) Given that the three rectangles have the same area,
work out the value of n.
+
[3]