Mathematics, 13.11.2019 21:31, julietmusyoki5

Three siblings- kate, sarah, and dave comitted themselves to volunteer 160 hours for a homeless charity to build new housing. dave worked 15 hours more than kate. sarah worked 20 hours fewer than kate. how many hours did each of these siblings volunteer?

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Three siblings- kate, sarah, and dave comitted themselves to volunteer 160 hours for a homeless char...