Hoarder of erasers :o
Is this suppose to be a riddle or sum
fndadhfuhadifhaStep-by-step explanation:
Take a look at the attachment to see the solution.
A = future value
P = principal (P = 12,000)
r = interest rate (r=6)
n = time periods (n=12)
If p||q then, m∠1=m∠3
9x = 117
x = 117/9
x = 13