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04-05-2021
Mathematics

contestada

If a heart beats 15 times in 3 seconds, how many times does it beat in 1/2 minute?

Respuesta :

Evans1234 Evans1234

04-05-2021

Answer:

150 beats

Step-by-step explanation:

15 times = 3 secs

y = 30

(cross multiply)

3y /3= 450/3

y= 150

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