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OpenStudy (anonymous):

Please help!!! Jana exercised by cycling for 30 mins, then taking a brisk 15-min walk. The bike-ride used 1000 kJ of energy, THe walk used energy at a rate of 20 kJ/min What was the total amount of energy used for cycling after Jana had walked for 1 min? 5 min? 15 min? Please help!!! Jana exercised by cycling for 30 mins, then taking a brisk 15-min walk. The bike-ride used 1000 kJ of energy, THe walk used energy at a rate of 20 kJ/min What was the total amount of energy used for cycling after Jana had walked for 1 min? 5 min? 15 min? @Mathematics

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