Apencil costs $0.25 more than an eraser. if the cost of eight pencils is $6.80, what is the cost of one eraser?

none of the above.

for one of the equations to be used in the process, there has to be a term in the equation since squared is .

since there is only a term in the first equation, we cannot derive a from completing the square.

solving with completing the square

b