You would divide a side of the larger rectangle by the smaller rectangle and it would give an answer of 1.5. To check if your correct times your answer by one of the sides on the smaller triangle
Answer:
√20
Or
2√5
Step-by-step explanation:
It is very easy just substitute
It will be:
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.
I believe that the answer is b...the second one down.
im not completely sure. i have not don