Below are the data collected from two random samples of 500 American students on the number of hours they spend in school per da
1 answer:
You might be interested in
328 mg medicine is remaining in his system after four hours .
<u>Step-by-step explanation:</u>
Here we have , Josh ingests 800 mg of ibuprofen. His body metabolizes (uses up) 20% of the medicine per hour.We need to find How much medicine is remaining in his system after four hours .Let's find out:
According to question , Josh ingests 800 mg of ibuprofen and His body metabolizes (uses up) 20% of the medicine per hour . let amount of medicine left after 4 hours is x , So Amount of medicine left after 1 hour :
⇒
Amount of medicine left after 2 hour :
⇒
Amount of medicine left after 3 hour :
⇒
Amount of medicine left after 4 hour :
⇒
Therefore , 328 mg medicine is remaining in his system after four hours .
