You decided that there is one piece of string used in the left-hand loop and two pieces used in the right hand loop below:
And then you thought that there was one piece of string used in the left-hand loop and three used in the right-hand picture below:
Not many of you explained how you knew, though. Here is what Lydia from Rickling C of E Primary said:
Well done also to Thea from John Young Elementary School, Luke from St Patrick's School and Olivia from Clitheroe Royal Grammar School who also told us how they went about doing this problem.