Answer:well from the upper left to the middle bottom you are decreasing I think....
Step-by-step explanation:
520x21 is 10,920
So she swam 10.92kilometers
The answer to the question is (0,5)
Helen runs the longest distance in 4 days.
Helen (In 4 days): 2.75 x 4 = 11
Bill (In 4 days): 10
11 (Helen) > 10 (Bill), so therefore Helen runs the longest distance in 4 days.