Problema Solution
the equation l=4n+2 gives the length of the light string needed for side and top edges of a climbing wall with n sections in its frame. What size frame(number of sections) can be lighted with a string that is 38 meters long?
Answer provided by our tutors
L = 4n +2 and you want L = 38,
38 = 4n +2 Subtract 2 from both sides
36 = 4n => n = 9 answer