Mathematics, 19.08.2019 04:50 ngilliam1444

Three siblings sarah, dave, and kate - committed themselves to volunteer 155 hours for a homeless charity to build new housing. kate worked 10 hours more than sarah. dave worked 20 hours fewer than sarah. how many hours did each of these siblings volunteer?

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Three siblings sarah, dave, and kate - committed themselves to volunteer 155 hours for a homeless ch...

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