Review

Which algebraic equations best represents the verbal sentence below?
"Three increased by two times a number equals thirty-two"

• 3= 2c - 32
• 3 + 2c = 32
• 5c = 32
• 3 - 2c = 32

A box contains 25 packages of notebook paper. The price of the box is $56.25. Each of the packages of notebook paper costs the same amount. Which could be used to find p, the price of a package of notebook paper.

• p + 25 = 56.25
• p - 24 = 56.25
• p/25 = 56.25
• 25p = 56.25

Which equation represents " The product of five and the sum of a number and 4 is 30?"

• 5 + n + 4 =30
• 5 x n + 4 = 30
• 5( n + 4) = 30
• 5 x n x 4 = 30

Which equation represents " The product of five and the sum of a number and 4 is 30?"

• 5 + n + 4 =30
• 5 x n + 4 = 30
• 5( n + 4) = 30
• 5 x n x 4 = 30

How is  " five less than two times a number, b, " expressed algebraically?

• 2(b - 5)
• 2b - 5
• 5 - 2b
• 5b - 2

How is  " five less than two times a number, b, " expressed algebraically?

• 2(b - 5)
• 2b - 5
• 5 - 2b
• 5b - 2

"The product of six and a number divided by 5"  is  best represented by which of the following?

• 6 n/5
• 6 + n/5
• 6/5 - n
• 6 - n

Look at the expression being simplified:
                6 + (5 + 4) + x
Step 1:    6 + (4 + 5) + x
Step 2:    (6+ 4) + 5 + x
Step 3 :   10 + 5 + x
Step 4:     15 + x

In which step is the communtative property of addition applied?

• Step 1
• Step 4
• Step 2
• Step 3

Adult tickets at the movie theater costs three dollars less than two times the cost of a child's ticket. If c is the price of a child's ticket, which of the following represents the price of an adult's ticket?

• 3c - 2
• 2(c-3)
• 2c - 3
• 2c + 3

If the number sentence is true , then x is equal to---
       5 + ( -3 + 6) = ( 5 + x)  + 6

• 1
• 3
• 0
• -3