Answer:
$520
Step-by-step explanation:
We first find the interest;
400*2*15/100=4*2*15
=$120
Total=$120+$400
=$520
Answer: .55
55/100
Step-by-step explanation:
i’m pretty sure the answer is 3
21 divided by 7 equals 3
Idk I have tried and failed miserably
Answer: The last one
Step-by-step explanation: