zayy9628 zayy9628

20-02-2020
Mathematics

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Lúcia is using energy at a rate of 420 kilocalories(kcal) per hour (start text, h, end text, ) ice skating. At what rate is Lúcia using energy in calories per minute left parenthesis, \frac cal/- end fraction, right parenthesis?

Respuesta :

fahadisahadam fahadisahadam

21-02-2020

Answer: 7000 calories /minutes

Step-by-step explanation:

420 kilocalories / hour

To convert kilocalories / hour to calories / minutes

kilo means 1000 and 60 minutes is equivalent to 1 hour

therefore

= (420*1000 calories) / 60minutes

= (420000 / 60) calories/minutes

= 7000 calories /minutes

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