Respuesta :
Answer:
2minutes. 70/min
Step-by-step explanation:
140 is 20% of 700 about and 2 minutes is 20% of 10min or 1/5. or you can say that 700/10 is 70/min so 140/70 is 2 so 2minutes for 140 heartbeats.
Answer:
2minutes. 70/min
Step-by-step explanation:
140 is 20% of 700 about and 2 minutes is 20% of 10min or 1/5. or you can say that 700/10 is 70/min so 140/70 is 2 so 2minutes for 140 heartbeats.