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Thanks Circus
jumbo and dumbo

While visiting the circus, Delphine asks the trainer:
"How old are your two elephants?"
He replied:
Jumbo's age + Dumbo's age + 18 =  twice Jumbo's age
(Jumbo's age - Dumbo's age) - 6 = Dumbo's age

Question : How old are Jumbo and Dumbo?

See answer

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