107 is the correct answer because 535/5 is 107. Hope this helped
Answer:
Step-by-step explanation:
3 min 20 seconds = 3*60 + 20 = 180 +20 = 200 seconds
2 min 44 seconds = 2*60 + 44 = 120 + 44 = 164 seconds
Improvement = 200 - 164 = 36 seconds
Percentage =(36/200) *100
= 18 %
Answer:
21
Step-by-step explanation (note, the suggested way is not the shortest one):
all the details are in the attached picture.