We received many solutions to this problem, although not so many of you explained exactly how you arrived at your answer. Remember, we're always on the look out for your reasoning too.
Elijah let us know his estimates of the number on each ball:$7\%$ of $614$ is ~$50$
You didn't say how you made these estimations, Elijah. It would be interesting to know ...
'Team Sean', which consisted of Sean, Liz, Briana, Alysha, Amy, Amelia, Chris, Ben, Charlie, Kaden, Matt, Josh, Kate, Stacey, Roy, Mitchell, Dylan, Ed, Emma and Grace gave a detailed explanation of their method for finding the magic number:Step $1$ -
We also received good solutions from Adam and Chris who both go to Orchard Primary School, and Callum and Eddie from Stourport Primary. Lucy used a spreadsheet to calculate the percentages rather than a calculator, which works equally well. Well done all of you!