Sue Dear ... you need new batteries in your calculator.
1/2 of 120 is 60, not 80.
Here, lemme help you out
well yeah, if you want to use 120 as the total..
but it's approaching 1/2 if you want to use a totally random number of 170! Sheesh! You and your precise engineering rules...
.
.
.
what I meant to say he's approaching 2/3, you know .6666666666666666666666 !!!