You can put this solution on YOUR website! The range is given as 35. This means H-L = 35 (where H=highest score, L=lowest score). The problem also gives H=95 so
95 - L = 35
Add L to both sides:
95 - L + L = 35 + L
95 = 35 + L
Subtract 35 from both sides:
95 - 35 = 35 + L - 35
60 = L