1. It takes Ellen 4 hours to paint one room. If Sam helps, it takes them 2 hours. How long would it take for Sam to paint one room alone?
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Sana PO matulungan nyo ko☺️
Kailangan pa daw po nyan mg Solution
Thanks po:)
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Solution:
Ellen needs
hours to paint 
room. So, Ellen needs 
hours to paint
room. if sam helps, they need 
hours Then sam also needs 
hours to paint 
room. So, sam needs 
hours to paint 
room. {Adding sam reduces the time required by half, which means sam and ellen paint at the same speed}
Answer:
4 hours
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