Answer:
b = 3 in
Step-by-step explanation:
The area (A) of a rectangle is
A = lb ( l is the length and b the breadth )
Here A = 24, l = 4 and breadth = b + 3 , thus
4(b + 3) = 24 ( divide both sides by 4 )
b + 3 = 6 ( subtract 3 from both sides )
b = 3
Thus the width of the message is 3 in
