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Mathematics, 02.07.2019 00:00 karlavanderwalt9570

Bob climbed down a ladder from his roof, while roy climbed up another ladder next to him. each ladder had 30 rungs. bob went down 2 rungs every second. roy went up 1 rung every second. a- let statement b- system of equations c-at some points , bob and roy were at the same height. which rung were they on ?

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