12.5 of 150 = 12.5/100*150
=0.125*150
= 18.75
New length of rope = 150-18.75
= 131.25
= 131.25 Regards
A rope is (3x + 3) metres long. Another rope of (3x – 8) metres is attached to it.
What is the total length of the two ropes together?