Question

Energy Usage in Exercise
Activity kJ/kg
Low Impact Aerobics 21.2
Moderate Jogging 42.4
Rowing machine 33.2
Skipping rope 52.4

Amira who has a body weight of 65 kg, skips rope for 20 minutes.
How many kilojoules does she burn? (Answer to the nearest kJ.)

Answer 1

Answer:

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