Pls help meh need help

10 miles = 3 hours

10/3 miles = 1 hour (divide both sides by 3)

A unit rate always has "1" in the denominator. In terms of speed, unit rates will have 1 unit to correspond to the time value (in this case 1 hour).

So,

Choice B

The first one, i believe, would be correct. all the others have one thing in common, and that's that they have repeating numbers. in the second one, x and y have repeating 6's and 3's, and in the third, x and y have repeating 6's as well. in the last one, there are repeating 3's. the first one has no repeating numbers.