Answer:
14 hours
Step-by-step explanation:
If you need to take 1 pill every 3.5 hours then this suggest that the effects of 1 pill lasts for 3.5 hours.
Therefore, if you take 4 pills then they will last: 4 x 3.5 = 14 hours
Answer:
A. 20/21
Step-by-step explanation:
In order to find this you must divided 16/21 by 4/5
Or 16/21 * 5/4 which is 80/84
After reducing you get 20/21
Answer:
The percentage decrease is 29%
Step-by-step explanation:
Given
Required
Determine the percentage decrease
This is calculated as thus:
Substitute values for Final and Initial
<em>Get absolute value of -87</em>
Hence, the percentage decrease is 29%