## anonymous one year ago Can someone help to walk me through the steps of 2 problems that I don't understand. It was a part of a review test. log,2x+3,(125)=3 and How long it will take for \$300 to double when invested at 6% annual interest compounded twice a year? Thanks :)

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1. anonymous

Is this the first one? $\log_{2x+3}125=3$

2. anonymous

2.let x be the no. of years,then $600=300(1+\frac{ 6 }{ 200 })^{2*x}$ find x