Respuesta :
Answer:
10 different duets
Step-by-step explanation:
S = Sarah
M = Melissa
B = Ben
J = Jennifer
L = Lisa
(Without repeating)
S + M
S + B
S + J
S + L
M + B
M + J
M + L
B + J
B + L
J + L
I’m pretty sure it 10 :) I hope I’m right if not then I’m really sorry for wasting your time. Hope you have a nice day :)