Respuesta :
one and one half hours = 90 minutes
60 times a minute
so
90 x 60 = 5400
answer
Donnas heart beats 5400 times in one and one half hours
60 times a minute
so
90 x 60 = 5400
answer
Donnas heart beats 5400 times in one and one half hours
So Donnas's heartbeat beats 60 times a minute in one and a half hour it would be 5,400