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Mathematics, 23.02.2021 14:00 bultron1966
A plumber has 150m of pipes. The plumber uses 20% fitting a central heating system, and then 25% of what is left to fit a bathroom. How much pipe does the plumber use to fit the bathroom?
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A plumber has 150m of pipes. The plumber uses 20% fitting a central heating system, and then 25% of...
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