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

Question

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

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Ngọc Hoa 4 years 2021-08-17T07:16:44+00:00 1 Answers 14 views 0

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  1. ngockhue
    0
    2021-08-17T07:18:42+00:00
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    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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