Answer:
210
Step-by-step explanation:
Answer:
Step-by-step explanation:
First you add like terms which means you add all the x's together and all the constants.
3x -5 =55 (Remember that 8 has a negative sign in front which brings that sign with it when combinding like terms)
Then you isolate the variable by adding 5 on both sides.
3x = 60.
Finally you divide by 3 on both sides to get x=20
Answer: Medication in Lexi's system on day t becomes,
Step-by-step explanation:
Since we have given that
Initial amount Sofia takes of a medicine = 10 mg
Concentration in blood decreases by a factor of one half every day.
So, it becomes,
According to question, four days later, it becomes,
We have given that Lexi takes 10 mg of the same medicine.
So, it becomes,
Hence, Medication in Lexi's system on day t becomes,