Mathematics, 17.07.2019 14:20, abilovessoftball

Timothy leaves home for skedunk 400 miles away. after 2 hours, he has to reduce his speed by 20 mph due to rain. if he takes 1 hour for lunch and gas, and reaches skedunk 9 hours after he left home, what was his initial speed?

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Timothy leaves home for skedunk 400 miles away. after 2 hours, he has to reduce his speed by 20 mph...