Question

Manuel leaves his house riding a bike at 20 kilometers per hour. After 6 hours, Liza left using her scooter to catch up with him travelling at 80 kilometers per hour. How long will it take Liza to catch up with Manuel?

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Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Group 6A — The Chalcogens. Group 6A (or VIA) of the periodic table are the chalcogens: the nonmetals oxygen (O), sulfur (S), and selenium (Se), the metalloid tellurium (Te), and the metal polonium (Po). ... The Group 6A elements have six valence electrons in their highest-energy orbitals (ns2np4).