Simplify:

N is a positive integer; . Which is greater?

(a)

(b)

Let be negative. Which of the following is the greater quantity?

(A)

(B)

A hat sells for the same pre-tax price in Store A and Store B. Store A then discounts the hat 30%, and Store B discounts it 25%. After the discount, the hat is taxed at a 10% rate in Store A. The hat is taxed at a 5% rate in store B.

Which is greater?

(A) The amount that will be paid for the hat in Store A after discount and tax

(B) The amount that will be paid for the hat in Store B after discount and tax

Which is the greater quantity?

(a) The number of inches in yards

(b) The number of days in weeks

Which of the following expressions is equivalent to

?

Multiply:

and are positive integers. Which is the greater quantity?

(A)

(B)

Which is the greater quantity?

(a) The number of miles in 100 kilometers

(b) The number of kilometers in 100 miles

Note: You may use the conversion factor 1 mile = 1.609 kilometers.

When evaluating the expression

,

assuming you know the values of all five variables, what is the last operation that must be performed?