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There are 4.18 kilojoules (kJ) in 1 kilocalorie (kcal). If you use 30 kilojoules...
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There are 4.18 kilojoules (kJ) in 1 kilocalorie (kcal). If you use 30 kilojoules of energy to complete a race, how many kcal have you used?
Note: the answer is rounded to no decimal places.
0%
0%
100%
0%
0%