Shelly spent 17 min washing the dishes and 38 min for cleaning her room.explain how you can mental math to find how long Shelly spent on the two tasks

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asked Dec 21, 2015 233k views

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Jens Granlund · Answer 1 · 2015-12-28T09:06:37+0000

well you could round which would make it easier but not exact so like 20+40=60 minutes but if it needs to be exact it wouldnt be hard to just do 17+38= 55 hope this helps:)

Shelly spent 17 min washing the dishes and 38 min for cleaning her room.explain how you can mental math to find how long Shelly spent on the two tasks

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