Question

The sum of the ages of a woman and her son is 36 years. Six years from now the woman will be twice as old as her son. How old is she now?

Answer 1

Use algebra to answer
Let S be Son's Age
Let W be Woman's age
S+W=36
W+6=2S

Answer 2

You can then to substitution or subtraction

Answer 3

i dont understand. it has 2 equations?

Answer 4

If you see, it says Son and Woman is 36 years.
Therefore S + W = 36, right?
Then it says that when the woman's age is plus 6, then it would be twice the son.
Therefore Woman + 6 = 2 X Son, W+6=2S

Answer 5

okay. thank you

Answer 6

No problem :D

Answer 7

i have to solve it too...

Answer 8

Whoops, let me try again
Equation is:
\[s+w=36\] & \[w+6=2s\]
Rearrange so it is
\[w+s=16\] & \[w+6=2s\]
Subtract each other. The W would cancel out
\[s-6=16-2s\]

Answer 9

okay i get it now

Answer 10

:D

Answer 11

where did the 16 come from?

Answer 12

Oh, whoops 36. Computer is not working ;)

Answer 13

so s=14 and w=22 but that equals 36 so now i need to do it for six years from now

Answer 14

22+6

Answer 15

Thats how old she would be in 6 years

Answer 16

Thank you! I did it! :)

Answer 17

If you want to make sure, type "s+2=36, w+6=ws" into WolframAlpha. That will give the answers for you to chec

Answer 18

No Problem :D