Answer:
1 and 5. Can I get a brainliest???
Step-by-step explanation:
Answer:
MOE= ± 0.098
Step-by-step explanation:
-The margin of error is calculated using the formula:

#Substitute to solve for MOE:

Hence, the margin of error is ± 0.098
Sue = 2 Sally
Sara = Sue - 1
= (2Sally) - 1
Sally + Sue + Sara = 49
Sally + 2 Sally + 2 Sally - 1 = 49
5 Sally = 49 + 1
5 Sally = 50
Sally = 10
Sue = 20
Sara = 19