Posted by **Caroline ** on Friday, April 15, 2011 at 2:29pm.

jerry is 6 more than 3 times as old as his son.together they are 46 yrs old. how old is jerry. ans -36

I set up problem 6+3x=46 to start?

- MAth -
**MathMate**, Friday, April 15, 2011 at 2:56pm
It is always a good practice to define the variables, in this case:

son's age = x

Jerry's age = 6+3x

Together

x + (6+3x) = 46

...

- MAth -
**Caroline **, Friday, April 15, 2011 at 4:52pm
so x + 6+3x =46

4x + 6-6 = 46 - 6

4x/4 = 40/4

x = 10 ???? it should be 36 what am I missing?

- MAth -
**MathMate**, Friday, April 15, 2011 at 5:07pm
son's age = x

Jerry's age = 6+3x

"...how old is jerry. "

- MAth -
**Caroline **, Friday, April 15, 2011 at 6:06pm
4x divided by 4 = x

40 divided by 4 =10

- MAth -
**Damon**, Friday, April 15, 2011 at 8:04pm
if x = 10

then

6+3x = 6+30

- MAth -
**Caroline **, Friday, April 15, 2011 at 9:45pm
got it, thanks

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