Question

The dimensions (width and length) of room1 have been read into two variables: width1 and length1. the dimensions of room2 have been read into two other variables: width2 and length2. write a single expression whose value is the total area of the two rooms.

Answer 1

Hello : 
a single expression  is : A = xy +zk
x :  width1       y : length1
z : width2        k : length2
A : the total area of the two rooms
note : 
A1 = xy  ........area of the room 1
A2 = zk   .......area of the room 2