SOLUTION: 1. Claire is one year older than her sister Nancy. Nancy is three years older that her sister Sheila. Sheila is one year older than her brother David. David is five years older tha

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Question 204010: 1. Claire is one year older than her sister Nancy. Nancy is three years older that her sister Sheila. Sheila is one year older than her brother David. David is five years older than his brother Mike. The sume of the five siblings is 120 years. Find the age of each sibling.
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
x+(x+5)+(x+6)+(x+9)+(x+10)=120
5x+30=120
5x=90
M=x=18
D=x+5=23
S=x+6=24
N=x+9=27
C=x+10=28
Set all the ages in relation to the lowest one.