The second option is the answer
Answer:
9 is the coefficient in this expression
The number was 160 because 5/4•128=160. 5/4 represents inverting 80% and multiplying it by the number to determine how the result became 128. For checking over all you have to do is do 4/5 or 80%•160 which shall give you 128.
Answer: -4 8/11, -4.79, 4.709, 4 7/9
Step-by-step explanation: