The answer would be 7 becuase if rounded
The answer is (2,1). 2*2=4 and 9*1=9. 9+4=13
Nina would have ran 5 miles because if clara ran 10 and thats twice as far as nina 10 divided by 2 is 5
<u>answer:</u> 
<u>work:</u>
| subtract 13.50 and move it over
| divide by 7/2
| final answer
I THINK the answer is compatible numbers.............. but I'm pretty sure it is compatible numbers