Seudónimo Seudónimo

26-04-2017
Mathematics

contestada

Roland's heart beats 495 times in 6 minutes. At that rate, how many times would it beat in 20 minutes?

Respuesta :

sydneyschachter sydneyschachter

26-04-2017

495/6=82.5
82.5*=1650

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Kattie564356 Kattie564356

26-04-2017

first get the beats into seconds... 60*6= 360... 20*60= 1200sec... 495/360= 1.375... 1.375*1200= 1650... then back to minutes... 27.5 min...

the answer is 27.5 min

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