Answer:
After 84 days
Step-by-step explanation:
7, 14, 21, 28, 35, 42, 49, 56, 63, 70, 77, <u><em>84</em></u>
12, 24, 36, 48, 60, 72, <u><em>84</em></u>
Answer: 36
Step-by-step explanation: 7, 14, 21, 28, 36
12, 24, 36
-40%
NV = new value
OV = old value
percent change = (NV - OV)/(OV) × 100%
percent change = (30 - 50)/(50) × 100%
percent change = -20/50 × 100%
percent change = -40%
-1 is your answer.........