Answer:
that answer is wrong the real answer is on kahn academy
Step-by-step explanation:
a=bxh
oops sorry.
180 was the 9% interest.
D.-11
105
500 goes into 100, 5 times
21 times 5 is 105
So 21/100 is equal to 105/500
Or you can do
500*0.21=105