Step-by-step explanation:
here's the solution: -
Average time taken by sarah :
=》

=》

=》

average time taken by sarah = 70.9 seconds
now,
average time taken by katie :
=》

=》

=》

average time taken by katie = 78.9 seconds
so, sarah is more efficient (faster) than katie.
i agree with sarah.
cuz, she took less time than katie.
Answer:
The answer to your question would be Area = 280.13
Step-by-step explanation:
Area of the circle without the square: 380.13
Area of the square: 100
380.13 - 100 = 280.13
Can u go closer I can’t see
80% of 35 is 28 :) hope this helps!