what is the number of whole loaves of each type of bread hayley should make in order to have the least amount of the 15 cups of flour and 9 eggs left over

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.

__tx= 60 inches. __cause it's equal to vt