Question 623861: Ana is twice as old as Billy. Billy is three times as old as Candy.If the sum of their ages is 70 how old is Billy Answer by lwsshak3(11628) (Show Source):
You can put this solution on YOUR website! Ana is twice as old as Billy. Billy is three times as old as Candy.If the sum of their ages is 70 how old is Billy
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let x=candy's age
3x=Billy's age
2*3x=6x=Ana's age
..
x+3x+6x=70
10x=70
x=10
3x=30
Billy's age=30
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