Answer:
p=18
Step-by-step explanation:
p+12=30
subtract 12 from each side
p=18
Answer:
C 16
Step-by-step explanation:
Using ratios
3:12
12/3=4
4:x
4*4=16
x=16
4:16
hope this helps:)
I'm assuming the original equation is

Step 1: Multiply both sides by 2 to eliminate the denominator
Step 2: divide by h
Step 3: subtract a
This is an example of an exponential decay problem.
The basic format of the equation is:

In this problem, the starting amount is 100. The rate is 0.5 because it is being cut in half every 330 days.