2 ms·
You don't need calculus. The mean price per user is $9.25 / 2, so they have taken in about 9250 * $9.25 / 2 = $42,781.25. Not bad!
by schwabacher 16y ago
You don't need calculus. The mean price per user is $9.25 / 2, so they have taken in about 9250 * $9.25 / 2 = $42,781.25.
Not bad!