solve for x: 1250(0.8)^x =30

Solve for x
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1 Answer

1250*0.8^x=30

0.8^x=30/1250=0.024

log(0.8^x)=log(0.024)

x*log(0.8)=log(0.024)

x=log(0.024) / log(0.8)

=-1.619788758 / -0.096910013

or (1.619788758)* (10.31885116)

=16.71435908
by

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