Mathematics, 27.09.2021 22:20, rylei

Lúcia is using energy at a rate of 420 kilocalories (\text{kcal})(kcal)left parenthesis, start text, k, c, a, l, end text, right parenthesis per hour (\text{h})(h)left parenthesis, start text, h, end text, right parenthesis ice skating. At what rate is Lúcia using energy in calories per minute \left(\dfrac{\text{cal}}{\text{min} }\right)(mincal)left parenthesis, start fraction, start text, c, a, l, end text, divided by, start text, m, i, n, end text, end fraction, right parenthesis?

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Lúcia is using energy at a rate of 420 kilocalories (\text{kcal})(kcal)left parenthesis, start text,...