Welcome to Westonci.ca, where your questions are met with accurate answers from a community of experts and enthusiasts. Explore in-depth answers to your questions from a knowledgeable community of experts across different fields. Our platform provides a seamless experience for finding reliable answers from a network of experienced professionals.

When she was practising for the 10K, Mirin timed herself.
Her times ranged from 66 minutes down to 54 minutes.

a) Write her times in tolerance notation as in (.... ± ...) minutes.

b) Now calculate her tolerance using percentages as.... mins (± ...%).