Question
The length of rope P is three times the length of rope Q. After 10 cm of rope is cut from rope P and rope Q respectively, the length of rope P is four times the length of rope Q. Calculate the original length, in cm, of rope P before it is cut.
Answers
oobleck
p = 3q, so
3q-10 = 4(q-10)
solve for q, and then p=3q.
3q-10 = 4(q-10)
solve for q, and then p=3q.