A pipe is 30 m long and is 45% longer than another pipe. Find the length of the other pipe.
Answer: A
Let length of other pipe be X
According to question,
30 = 45/100 X + X
30 = 0.45X + X
30 = 1.45 X
X= 30/1.45
X = 20.68m
Thus the length of the other pipe is 20.68 metres.