Bethan and Siobhan are cousins. they both live in the same city but don't attend the same school.
The graph represents each of their journeys to school and back.

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.

She will need 5/8 bags for each square yard.

What the heck i didn’t know