Answer:
I think b no is the answer. I am very sorry if it is wrong answer.
Answer: 10
Step-by-step explanation: 10 divided by 5 is 2. 2 times 2 is 4
Answer:$344
1/5 of 400 is 80 so if you subtract that it would be $320
1/50 of $400 is 8 so if you multiply that by 3,3/50 of $400 is(8*3)24 so $320+$24=$344