In 10 minutes, a heart could beat 700times.At this rate in how many minutes will a heartbeat 140 times? At what rate can a heartbeat.

Respuesta :

i think it should be two minutes

claw12

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.