I really need help! I just really need to pass this lesson and i’m not very good at this!!

How do i find the missing angle measure in a polygon

Aaron invested a total of $4,100, some in an account earning 8% simple interest, and the rest in an account earning 5% simple interest. how much did he invest in each account if after one year he earned $211 in interest? select one: a. $200 at 8%, $3,900 at 5% b. $3,200 at 8%, $900 at 5% c. $900 at 8%, $3,200 at 5% d. $3,900 at 8%, $200 at 5%

What adds to be the bottom number but also multiplies to be the top number with 8 on the bottom and 15 on top