8115.Each day, Hai and Wai separately play a video game and compare
scores. Hai’s score on Tuesday was 10% less than his score on
Monday, while Wai’s score on Tuesday was 20 points higher than
on Monday. However, on Wednesday, Hai’s score was 10 points
higher than on Tuesday, while Wai’s score on Wednesday was 20%
less than his score on Tuesday. Strangely, Hai’s score plus Wai’s
score turned out to be the same on all three days. What were their
scores on Wednesday?