Answer :
Let
L -------> the length of the beat
so
the inequality that represent this situation is
L > 17+9
L> 26 sec
so
three possible beat lengths are
L=30 sec
L=27 sec
L=40 sec4
Let
L -------> the length of the beat
so
the inequality that represent this situation is
L > 17+9
L> 26 sec
so
three possible beat lengths are
L=30 sec
L=27 sec
L=40 sec4