• dream_weasel@sh.itjust.works
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    2 hours ago

    It hurts my brain to do it that way.

    300 sheets for 1.2 is a nice division by .6: 500 sheets for $2. So now all we gotta do is multiply by .7 to get 350 sheets for 1.40.

    Considering the fold, we are at 330 effective sheets for 1.40. 350 > 330, get the 3 ply (lol).

    This is a little bit funky obviously and just works because of seeing a divisor. If not for that I would have tried once each way to get cost per full effective sheet or cost per half effective sheet to see which one has nicer numbers.

    … Or just open the calculator app.