We move all terms containing c to the left and all other terms to the right. <span> + 0.181818181818c-0.25c=-0.75
We simplify left and right side of the equation. <span>-0.0681818181818c=-0.75
We divide both sides of the equation by -0.0681818181818 to get c. <span>c=11 remember to mark me the brainiest please</span></span></span></span></span></span></span></span>
If the amount she saved was $6 for 20%, then the formula for finding savings would be cost*percentage. But if you want to find the original cost, then you play with the current formula until you get this. $6/20%. Have a good one :)