Respuesta :

cutenpeppy

Answer:

J = 28 and K = 7

Step-by-step explanation:

J = Jane

K = Karen

J = 4 * K

J - K = 21

4K - K = 21

3K = 21

K = 7

J = 4K

J = 4(7)

J = 28

Hope this helps :)

Answer:

jane is 28 and karen is 7

Step-by-step explanation:

j=4k

j-k=21

set the values of j equal to each other

4k=21+k

solve for k, you get 7

four times 7 is 28