Amy finished 15% of the job, Beth finished 20% of the remaining of the job, then Cathy finished 12% of the remaining of the Job. What percent is sitll not done?

Answer 1

so confusing I got 53 percent

Answer 2

After Amy, .85 remained.
After Beth, .80*.85 = .68 remained
After Cathy, .88*.68 = .5984 remained

So, 59.84% of the job remained undone.

So, how did you arrive at 53%/ It's always good to show your work, so we can check to be sure your logic is correct.