15/40 x 100 = 37.5
equation for percent decrease is diiference/original x 100.
Answer:
4.5 minutes per 1 lap.
Step-by-step explanation:
Answer: D
The answe is just simply D because of the minutes when it adds up is almost the same as MPH
Answer:
15 weeks
Step-by-step explanation:
Week 1: 1,050 ≠ 0
Week 2: 1,010 ≠ 35
Week 3: 970 ≠ 70
Week 4: 930 ≠ 105
Week 5: 890 ≠ 140
Week 6: 850 ≠ 175
Week 7: 810 ≠ 210
Week 8: 770 ≠ 245
Week 9: 730 ≠ 280
Week 10: 690 ≠ 315
Week 11: 650 ≠ 350
Week 12: 610 ≠ 385
Week 13: 570 ≠ 420
Week 14: 530 ≠ 455
Week 15: 490 = 490
Answer: 207
Step-by-step explanation:
