Hiiiiii

can someone help me

I just want to know if my answer is correct

please ..

ok

5 log { base 5 } of (t + 1) = 9

log { base 5 } of [(t + 1)^5] = 9

[(t + 1)^5] = [5^9]

t + 1 = 5^(9/5)

t = 5^(9/5) - 1

t = 17.1

is my answer correct ?!