N need help in math New member Joined Dec 16, 2020 Messages 1 Dec 16, 2020 #1 thank you Attachments 16081808453121291805640286753214.jpg 2.4 MB · Views: 8
Dr.Peterson Elite Member Joined Nov 12, 2017 Messages 16,869 Dec 17, 2020 #3 need help in math said: thank you Click to expand... How many used PEDs? How many of those had a negative result?
need help in math said: thank you Click to expand... How many used PEDs? How many of those had a negative result?