Answer:

Step-by-step explanation:
Multiply those together and combine like terms. Then make sure you order the terms in descending powers.
Answer:
a)$4,238.50
b)$392
c)$3814.65
Step-by-step explanation:
a) 3920*0.08125=318.5
318.5+3920=4238.50
b)3920*0.1=392
c)3920-392=3528
3528*0.08125=286.65
3528+286.65=3814.65