Answer:
$16.35
Step-by-step explanation:
15 x 1.09 = 16.35
hope this helps.............
yes
12/99=121212, so yes
12/100= 0.12, nope
12/90=0.13131, nope
4/33=0.121212, so yes
3/25=0.12, nope
4/30=0.131313, so nope
in conclusion, you are correct