Question
Three people are sitting next to each other on a bench. The person in the middle is twice as old as the person to his
Three people are sitting next to each other on a bench. The person in the middle is twice as old as the person to his left and 10 years younger than the person on his right. Their combined ages is 85 .
How old is the person in the middle?
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General Chemistry
Authors: Darrell Ebbing, Steven D. Gammon
9th edition
978-0618857487, 618857486, 143904399X , 978-1439043998
