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shannon is three times my age.the sum of our ages is the same as six times my age two years ago. Let my age now be x.how old am I.

 Feb 1, 2016

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 #2
avatar+129850 
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shannon is three times my age.the sum of our ages is the same as six times my age two years ago. Let my age now be x.how old am I.

 

Let Shannon's age  = 3x

 

And we have

 

x + 3x  = 6(x - 2)   simplify

 

4x  = 6x - 12        add 12 to both sides, subtract 4x from each side

 

12 = 2x               divide both sides by 2

 

6 = x      you are 6, Shannon is 18 ........the sum of your ages = 24  ......and this is 6 times your age two years ago  = 4

 

 

cool cool cool

 Feb 1, 2016
 #1
avatar+8581 
0

20??

 Feb 1, 2016
 #2
avatar+129850 
+10
Best Answer

shannon is three times my age.the sum of our ages is the same as six times my age two years ago. Let my age now be x.how old am I.

 

Let Shannon's age  = 3x

 

And we have

 

x + 3x  = 6(x - 2)   simplify

 

4x  = 6x - 12        add 12 to both sides, subtract 4x from each side

 

12 = 2x               divide both sides by 2

 

6 = x      you are 6, Shannon is 18 ........the sum of your ages = 24  ......and this is 6 times your age two years ago  = 4

 

 

cool cool cool

CPhill Feb 1, 2016

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