Three friends

Peter is eight times older than Ralph, and Ralph is three times younger than Joseph. Together they are 120 years old. How old is each of them?

Final Answer:

P =  80
R =  10
J =  30

Step-by-step explanation:

P=8R R = J/3 P+R+J= 120  P+J/3+J=120 8R+J/3+J=120  8 J/3+J/3+J=120  12J=360  J=12360=30  J=30  R=J/3=30/3=10 P=8 R=8 10=80



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