ACT - Practice: Integers and Algebraic Computations

Name:

Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.

If P² – 121 = S² and P + 12 = 2S for S

0, which is equivalent to

a.	2 –	d.	2 –
b.	– 2S	e.	2 +
c.	– 2

Producing copies of a book costs m dollars for the first one thousand copies, n dollars for the next five hundred copies, and $2,65 for each copy thereafter. If C in dollars represents the total cost of producing R >1500 copies of the book, which equation is equivalent to C?

a.	C = (m + n) + (R –1500)(2.65)
b.	C = (m + n) + R(2.65)
c.	C = (R – m – n) + R(2.65)
d.	C = (m + n)(R –1500)(2.65)
e.	C = (m + n)(2.65) + R

A box containing m number of CD’s and m numbers of floppy diskettes weighs P pounds. Which of the following is the total weight of 50 CD’s and 50 floppy diskettes?

a.	P – 50m
b.
c.
d.
e.