4x=106.9
4 representing the people
x being the amount paid (unknown)
x= 26.7
The index of radical expression is the number indicating which root (square root, cube root, etc.) is meant.
If there's no index on the radical expression, then it's assumed to be square root.
240.00
divided by 3 is 80 so $80 per pound
Answer Expert Verified
If a vertical line is drawn then the line will cut at only one point. In first graph for all x values we have different y values so the ordered pairs represent a function.
I believe that A is the correct answer because this is how I would normally solve the equation. X representing the unknown cost of each bag of potatoes.