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Mathematics, 26.07.2019 13:00 Rinjo
The choi family and the wright family each used their sprinklers last summer. the choi family's sprinkler was used for 15 hours. the wright family's sprinkler was used for 30 hours. there was a combined total output of 1350l of water. what was the water output rate for each sprinkler if the sum of the two rates was 65l per hour?
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The choi family and the wright family each used their sprinklers last summer. the choi family's spri...
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