Asked and answered elsewhere.
brainly.com/question/1410592_____
Google doesn't recognize the terms "defects method" except in association with various postings of this same problem.
The answer would
be 13/10
Your proportion should look something like this

After cross multiplication, you should end up with this equation

After dividing 4 on both sides, you should get that x=9
Answer:
wild
Step-by-step explanation:
700beats/10min=70bpm
2 min to beat 140 times