#Lotto is played by selecting 6 from 45 numbers to win first prize. #System7 is an option and this video shows how to calculate the odds of winning with a System 7. Watch the video for all the details brought to you by #HowToSolvePuzzles.

There are a few simple calculations necessary to get the answer. This video shows the odds of correctly selecting 6 winning numbers out of 45, with 7 numbers selected on your coupon. However these calculation steps can be applied to other lotto style of games with more or less numbers.