Hope this helps. I think it's right? haha haven't done this in a while.
Answer:
x= 0
Step-by-step explanation:
Because it scale factor
The monthly amortization is P23,511.63
<h2>Compound interest</h2>
The formula for calculating the compound interest is expressed as:

whrere:
- P is the principal = P700,000
- r is the rate = 12% = 0.12
- t is the time = 4 years
- n = 12
Substitute the parameters

Calculate the monthly payment:
Monthly payment = 
Hence the monthly amortization is P23,511.63
Learn more on compound interest here: brainly.com/question/24924853
15+12+6= total number of marbles
33= total
Not clear marbles = 15+12 or 27
27 /33
.818181
82 percent