Question

karen is 3 times older than sarah. four years ago the sum of their ages was 16. determine sarah and karen's age today

Answer 1

Answer:

6 and 18

Step-by-step explanation:

Sarah's age = x

Karen's age = 3x

x-4+ 3x- 4= 16

4x - 8= 16

4x= 24

x= 6

Sarah's age= 6

Karen's age= 18

Hope this helps.

Answer 2

Step-by-step explanation:

Let the age of sarah is x

Then karen age is 3x

Four years ago their ages are 3x-4 and x-4

Sum is 16

(3x-4)+(x-4)=16

4x-8=16

4x=24

x=6

Sarah age is 6 years

Karen age is 18 years