8. Humeira drives from Snowville to Summerhills. After 2 hours, she found out that she has covered a distance of 60 km but that if she continued at the same speed, she would be 30 minutes late. Thus she increased her speed by 10 km/h. She reached Summerhills 10 minutes earlier than the due time. Find the distance between Snowville and Summerhills.
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