cyrusshakeri4814
cyrusshakeri4814
21.01.2020 • 
Mathematics

Central park is a rectangle with an area of 840 acres. it is 1/2 a mile wide. one acre is 43,560 square feet. two people start at the southwest corner at 1: 30 pm and start walking round the park in opposite directions. one walks at 9 mph, the other walks at 4 mph. how long until they meet again?

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