Nina would have ran 5 miles because if clara ran 10 and thats twice as far as nina 10 divided by 2 is 5
Hey there! :)
Your answer is: Between 11 and 12
11² = 11 × 11 = 121
12² = 12 × 12 = 144
129 is between 121 and 144
Hope this helps :)
D/20=20/15
d=400/15
d=80/3
d=26 2/3 miles
24 I think I would get more answers if I were you