Save yourself some trouble. Work out the generic solution to these ”sum and difference” problems. You will find the larger value is half the sum plus half the difference, and the smaller value is half the sum minus half the difference.
W had 181+ 8 = 189 hits
S had 181- 8 = 173 hits
W had 181+ 8 = 189 hits
S had 181- 8 = 173 hits
