Mathematics, 22.12.2020 02:10 chumreaper2002

12. Jim can fill a pool carrying buckets of water in 30 minutes. Sue can do the same job in 45 minutes. Tony can do the same job in 1 ½ hours. How quickly can all three fill the pool together?

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12. Jim can fill a pool carrying buckets of water in 30 minutes. Sue can do the same job in 45 minut...