[78-L] What's 74RPM as a percentage from 78?

[David Lennick]

On 3/14/2011 1:26 PM, DanKj wrote:
>
>   If you're my age or older, you can check your work on paper (I didn't get a calculator until after High school, and it was
> "cheating" anyway)
>

And if you're my age, you forgot how to do this around 1965.

dl