Erin is a member of her school’s track team. last week, she ran 8 1/2 laps around the track in 30 minutes. this week, erin ran for
30 minutes at a constant rate of 2 1/2 minutes per lap. how many more laps did erin run this week than last week?

Of the following, which statement or statements accurately reflect a way in which credit can be safer than cash? i. if your credit card gets stolen, you can cancel it and get your money back. ii. it is harder to lose a single credit card than a large number of bills. iii. if a merchant does not honor the agreement, you can call the credit company and dispute the charges. a. i and iii b. ii only c. iii only d. i, ii, and iii