D I’m in highschool Ik for sure
The equation will be of the form:

where A is the amount after t hours, and r is the decay constant.
To find the value of r, we plug the given values into the equation, giving:

Rearranging and taking natural logs of both sides, we get:


The required model is:
Answer:Put y over x or you can divide both numbers by x
Step-by-step explanation: