Question

Log75+Log9/Log 45

Answers

oobleck
It's not often you divide logs, but what the heck ...
log75+log9 = log(75*9) = log675

log675/log9 = log<sub><sub>9</sub></sub>675

I suspect a typo, and will note that
log75+log9-log45 = log(75*9/45) = log15

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