Ellen is making placemats. She has 8 rolls of lace. She uses 1/6 of the rolls of lace to decorate the placemats. How much of the lace does Ellen use in all?

and

Ms. Ching sees a stereo she would like to buy. If Ms. Ching pays for the stereo with her credit card, she will pay $890 plus $71 in interest. If she pays with her debit card, she will pay $890 with no interest fee. How much will Ms. Ching save by paying for the stereo with her debit card?

Step through step please!