A line is divided into two parts such that 23rd of the first part is equal to 53rd of the second part. Find the length of the first part if the total length of the line is 7 m.
5 m
Let the length of the first part be x and second part be y.
2x = 5y - (i)
x + y = 7 - (ii)
⟹x = 5 m