Atoy store’s percent of markup is 30%. a model train costs the store $80. find the markup

muyb ajo

step-by-step explanation:

jegosu

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