Question 154437
4 * 2^x = 6 * 5^x
----------------
2^x/5^x = 6/4
(2/5)^x = 3/2
x*log(2/5) = log(3/2)
x = [log(3/2)]/[log(2/5)]
x = -0.442507...
Cheers,
Stan H.