Answer:
Therefore the Perimeter of the room is 94 ft.
Step-by-step explanation:
Given:

Where ,
P = Perimeter
l = Length = 26 ft
w = Width = 21 ft
To Find:
Perimeter of the room = ?
Solution:
Perimeter of Rectangle is given as

Substituting 'l' and 'w' we get


Therefore the Perimeter of the room is 94 ft.
Answer:
Frank must buy 2 pens to have equal number of each pens
To see how they are related, let us solve the two equations.
FIRST EQUATION



SECOND EQUATION



Hence the solutions to the two equations are ADDITIVE INVERSE of each other.
Answer:
a+c+d=180
Step-by-step explanation: