Answer:
(4, 10)
Step-by-step explanation:
Hope this helps
Answer:

Step-by-step explanation:
The given equation is:

so, we first isolate the exponential form that contains the unknown "z" in the exponent, by dividing both sides by 0.5:

Now we bring the exponent down by applying the natural log function on both sides, and then solve for "z":

Each calculator sold for $12.67 . So 5 would be $63.35