X= 4
both of the angles are the same degrees so you figure out the difference between 50 and 22 and take that divided by 7 to get x
50-22
28/7
=4
Any value? you could use 0 or 1 or 2. All three of these are a group of many that would wokr. Any would work!
1/4
if 3/4 cyclists finish then that leaves 1/4 of the group that did not finish
