Answer:
4x - 13 there you go!!!
Step-by-step explanation:
4x-13
3^15/5^16
(3^3 x 3^6 x 5^-4) / (3^-6 x 5^12)
= (3^3 x 3^6 x 3^6) / (5^12 x 5^4)
= 3^15 / 5^16
y=25 and x=30.
See picture
it must be 5:4..I'm not sure.
