Chapter ISG, Problem 1.1.7P

To determine

To calculate an expression for area of a two-room apartment

Answer to Problem 1.1.7P

The expression for area is $area=a(b+c)$ .

Explanation of Solution

Given information:

The length is nft.

And the breadth of one room is b ft. and that of other room is c ft.

Formula used:

Area id rectangle is,

  $area=length\times breadth$

Calculation:

The total breadth of the apartment is,

=breadth of room one+ breadth of room two

Substituting the values,

  $=b+c$

For area, substituting the values,

  $area=a(b+c)$

Hence, expression for the area is,

  $area=a(b+c)$

For a different way to write expression, opening the brackets,

  $area=ab+ac$

Hence, a different form to right the expression is,

  $area=ab+ac$