Question 5
The figure below is made up of 4 rectangles P, Q, R, S. If the areas of rectangles P, Q, R are 48cm², 30cm² and 96cm² respectively, find the area of Rectangle S.
**Editorial note for this self-study exercise:** Use the aligned two-by-two rectangular partition in the original figure. Enter the area in cm² without a unit. The source key has a malformed unit; the issue is explained in the solution.

**Editorial note for this self-study exercise:** Use the aligned two-by-two rectangular partition in the original figure. Enter the area in cm² without a unit. The source key has a malformed unit; the issue is explained in the solution.
