SOLUTION: anna is now four times as old as her brother jong. in four years, anna's age will be twice as jong's age then. how old is each now

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Question 370663: anna is now four times as old as her brother jong. in four years, anna's age will be twice as jong's age then. how old is each now
Answer by ewatrrr(24785) About Me  (Show Source):
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Hi,

anna is now four times as old as her brother jong

Let x represent jong's age now and 4x Anna's age

Write as we Read***

4x + 4 = 2(x+4)

Solving for x

4x + 4 = 2x + 8

2x = 4

x = 2, Jong's age now, Anna is 8  (4*2)

checking our answer

8 + 4 = 2*6 = 12