Nicole left the White House and traveled toward the lake at an average speed of 45 km/h. Sometime later Cody left traveling in the same direction but at an average speed of 60 km/h. After traveling for three hours Cody caught up with Nicole. How long did Nicole travel before Cody caught up?
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Answer:Step-by-step explanation:To find total distance from CodySpeed = 60 km/hTime = 3 hDistance = Speed x TimeDistance = 60 km/h x 3h = 180 kmCody travel 180km to catch up with NicoleTo find Nicole Time of travel:180 km = 45 km/h x TTime = 180 km / 45 km/h = 4 hIt takes 4 hrs for Nicole to travel 180 kmTherefore Cody start 1 hr later