Mathematics, 22.07.2019 18:00 asdf334asdf334

Jenny has just started working on a 250 piece jigsaw puzzle. she usually takes 3 hours to work a puzzle of that size. her little brother wants to . he could put the puzzle together in 6 hours. how much time would the two need to work the puzzle together? (round your answer to the nearest tenth.)

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Jenny has just started working on a 250 piece jigsaw puzzle. she usually takes 3 hours to work a puz...