It is 15 because it goes into both numbers
2^t =38
take the log of each side
log ( 2^t) = log (38)
the exponent gets multiplies
t log (2) = log (38)
divide by log 2
t = log(38)/log (2)
t≈5.2479
Hhczfik in nb vguiigdr 5th hb. jigfddtjnbvt
W+6, as more means addition and w is an unknown number
The answer would be 4.5 because 5% of 90= 4.5.
Hope this helped! :)