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Mathematics, 09.09.2019 21:30 johnathan1104

Bob and wendy left home to walk together to a restaurant for dinner. they started out walking at a constant pace of 3 mph. at precisely the halfway point, bob realized he had forgotten to lock the front door of their home. wendy continued on to the restaurant at the same constant pace. meanwhile, bob, traveling at a new constant speed on the same route, returned home to lock the door and then went to the restaurant to join wendy. how long did wendy have to wait for bob at the restaurant? (1) bob’s average speed for the entire journey was 4 mph.
(2) on his journey, bob spent 32 more minutes alone than he did walking with wendy.

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