The half life would be about 3 so making the percentage About 25%
Answer:
rational number
Step-by-step explanation:
Erica would have sold 121 subscriptions in 3 days.
Bring it to the form ax + by = c, where a is positive, and there are no fractions in the equation.
Here, we need to add 2/5x to both sides:
2/5x + y = 0
Then multiply everything by 5 to get rid of the fraction
2x + 5y = 0 <==