Mathematics, 13.11.2020 01:00, purpletart41

To make a friendship bracelet, some long strings are lined up then taking one string and tying it in a knot with each of the other strings to creat a row of knots. A new string is chosen and knotted with the all the other strings to create a second row. this process is repeated until there are enough rolls to make a bracelet to fit around your friends wrist. Are the number of knots proportional to the number of rows?

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To make a friendship bracelet, some long strings are lined up then taking one string and tying it in...