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Mathematics, 21.08.2019 10:00 Redeyestudio53
Working together, melissa and jing can mow a lawn in 5 hours. it would take melissa 8 hours to do the job alone. what is the value of r, the part of the lawn that jing could complete in 1 hour?
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Working together, melissa and jing can mow a lawn in 5 hours. it would take melissa 8 hours to do th...
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