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Rearranging formulas

A battery is put on charge.The relationship between the charging current, i amperes,and the time, t hours passed,is given by the formula
show that the formula for i can be arranged to give the time t as
t=1/0.63log e (3/i)

could you please show me working out steps!

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Solution. I think the original formula is

Solution Summary

This shows how to rearrange a formula to be a logarithmic formula.