Given:
A blueprint of a house shows a wall that is 5 inches long.
The blue pretty strong to a scale of 1:60.
To find:
The actual width of the wall in the house.
Solution:
The blue pretty strong to a scale of 1:60.
It means, the dimensions of blueprint to the actual house is 1:60.
Width of a wall in blue print = 5
Let the actual width of the wall in the house be x.



Therefore, the width of the wall in the house is 300 inches.