Answer:
12 years younger.
Step-by-step explanation:
Let Jan's age be J and Karyn's age be K.

Jan's age 8 years ago is 2/5 of Karyn's age 4 yeaRs from now.

=> 
=> 4K = 48 X 3
=> K= 36.
=> J= 24.
So Jan is 12 years younger.
Answer:
$21
Step-by-step explanation:
This can be easily solved by fraction 400/24=350/x
x=$21
Answer:
3/2
Step-by-step explanation:
10 1/2 divided by 7 = 1 1/2 or 3/2
1/5 over 1/65 hour. as in 1/5 divided by 1/65 hr