Answer:
Total length of string required for
decorative bottles

Explanation:
Length of string A =

Length of string B =
=

Total length of the string required for decorating one bottle = Summation of string A and String B,used

To find the string needed for
bottles we will multiply the strings used for
bottle with
.
So
.
The total length of string needed for [tex}17{/tex} bottles is
.