Answer:
This is a question you should know in trig.
You should search up how to solve for simple trig functions
The cos of 60 degrees is 1/2 just because you asked
Yes your answer is solved correctly
x + 16 = 64 |subtract 16 from both sides
x = 48
Multiply her monthly payment by the number of months she paid so far:
567 x 48 = 27,216 paid so far.
Now add the amount she still owes:
27,216 + 1,250 = $28,466 total price.