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-An all female guitar septet isgetting ready to go on stage

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-An all female guitar septet isgetting ready to go on stage. The lead guitarist, Kira,who isalways in tune, plucks her low E string and the other six members,sequentially, do the same. Each member records the initial beatfrequency between her low E string and Kira's low E string.


*Rank each member on the basis of the initialfrequency of her low E string.
1) Aiko
F BEAT=3 Hz
=decrease

2) Chandara
F BEAT=1 Hz
increase

3) Euita
FBEAT= 5 Hz
= decrease

4) Buffy
= 4 Hz
FBEAT= increase

5) Freja
FBEAT= 3 Hz
= decrease

-or cannot be determined

NOTE: THE ANSWER ISNT (IN TERMS OF PEOPLE INITIALS) Evita,Aiko=Freja, Chandra ,Buffy / OR THE OTHER WAY AROUND. PLEASE HELP ME, IT NEEDS TO BE TURNED IN TOMORROW! AND I AM SO LOST.
this is the hint the computer gave me when i entered in E,A=F,C,B : Since the beat frequency decreases when Evita increases the frequency of her string, her initial frequency must be less than Kira's. There are other players who have greater frequencies than Kira.