Question

a builder completed 5 by 12 in 2 months and 3by 7 of the remaining part in 3rd month if 24 feet of the building is still left find the total length of building​

Answer 1

Answer:

72

Step-by-step explanation:

let hight of wall is x so

x -5/12*x-3/7*(x-5/12x)=24

x=72