What is the measure of

60° because it's an equilateral triangle

A) Chelseas guess of 85 had a percent error of 66.67% (simplify as needed)

B) Aziz's guess must have been 83 or 91 gumballs since he had a percent error of 5%

Step-by-step explanation:

using the data given i did the calculations and used a calculator to solve it, this should be right. i believe its correct. hope i was a help, have a good day!