Answer :
if isabel runs 7 miles in 50 minutes, then you know she runs 7/50 miles in one minute, right? So multiply that by the number of minutes she did run, and you can find the distance:
7
------ x 75 =
50
525
------
50
If you plug that fraction into your calculator, you get 10.5, so 10 and a half miles.
7
------ x 75 =
50
525
------
50
If you plug that fraction into your calculator, you get 10.5, so 10 and a half miles.