Answer:
The required equation is 6x+5y+57=0.
To find the unit rate of this problem just take 25.2/4 which equals $6.3 per unit Enjoy!=)<u /><u />
The missing fraction would be

since it is exactly in the halfway between
Answer:
Part A: Only 460 is divisible by 2
Part B: 385, and 460 are divisible by 5
Part C: Only 460 works for this one