At a department store, a dozen paper clips cost five dollars and a dozen pens cost $20. Tony buys two dozens of paper clips and two dozens of pens.

Which is the property to be used?

What is the total price that Tony needs to pay?

Scott harris can invest $7,000 in a 1-year cd that earns interest at an annual rate of 4 percent compounded monthly. the amount per $1.00 is 1.040742. he can also invest $7,000 in a 1-year cd at annual rate of 4 percent compounded quarterly. the amount per $1.00 is 1.040604. what is the difference in the amount of interest earned for each investment? a) $0.96 b) $0.81 c) $0.87 d) $0.88