Lúcia is using energy at a rate of 420 kilocalories (kcal) per hour (h) ice skating. at what rate is lúcia using energy in calories per minute (cal/min)?

7,000 calories or 7 kilo cal/min.

Step-by-step explanation:

Lucia is using energy at a rate of 420 kilo calories per hour ice skating.

1 kilo calories = 1000 calories

420 kilo calories = 420,000 calories

1 hour = 60 minutes

∵  Lucia is using energy per 60 minutes =  420,000 calories

∴ She is using energy per minute =

                                                       = 7,000 calories or 7 kilo calories

Lucia is using energy 7,000 calories/minute.

the y will be in still but your answer will be y x 3

step-by-step explanation:

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c. (3,2,6) is the answer.