Verified Answer :

VenusRetrograde

2.25 miles in 1 day

1day=2.25mi

14days=x miles

 1day           14days
_______ =  ________
 2.25mi          x mi

Cross multiply
1x=31.5
divide both sides by 1
x=31.5miles

Answer=31.5miles

You first have to know what the rate is and in this case, it is 2.25 miles each day. So you multiply 2.25* 14 and you get 31.5. So Tessa runs 31.5 miles in 14 days.

Answer 31.5