If allen runs 15 additional times, the total number of runs will be 3 times less than what it was 3 runs ago. allen has run how much times all together?

This doesn't make sense.....how can the total number of runs be "3 times less" than what they were 3 runs ago???

https://web2.0calc.com/questions/bob-jumping-easy-question

IDK

it was supposed to be jump anyways according to math league