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Mathematics, 19.07.2019 10:00 marcoantonioperezpan

It took 8 hours for karl and lou to finish a project for science class together. if karl had worked alone on the project it would have taken him 10 hours. how long would it have taken lou to complete the project by himself.

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It took 8 hours for karl and lou to finish a project for science class together. if karl had worked...
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