After measuring 120 metres of rope, it was discovered that the metre rod was 3cm longer. The true length of the rope measured is
Option
a) 116m 40 cm
b) 121m 20 cm
c) 123m
d) 123 m 60 cm
There is something I don't understand about algebra: It has been around for thousands of years, yet no one has ever found out what the value of "x" or "y" really is.