How long would it take you to double your invested money. Students look at different percent rates and calculate (and realize) how long doubling takes.

# Tag: HSS.MD

## World Cup 2022 – Qatar (2 activities)

## The odds of horse race betting

Rich Strike surprised everyone at the Kentucky Derby horse race in early May by moving from 18th place at the half-way mark (out of 20 horses) to winning the race. Churchill Downs, the track in Kentucky where the race took place, paid out $81 for every dollar that was bet for Rich Strike to win. How do they figure that?