Course II SOL Review – DAY 18 (SOL 7.12)

Which is the correct phrase to represent 2z - 3 ?

• a number, z , increased by 3 times 2

• a number, z , decreased by 3 twice

• twice the number, z , decreased by 3

• 3 decreased by 2 times the number z

Which represents of these represents the following?

“17 is the product of 7 and m”

• $17=7m$

• $\frac{7}{m}=17$

• $17m=7$

• $7-m=17$

Sandra is 10 years old. Her sister Lupe is 2 years older than Sandra, and their brother Enrique is twice as old as Lupe. Which equation could be used to find h, Enrique's age?

• $10\times2=h$

• $\left(10+2\right)\times2=h$

• $\left(10+2\right)\times\left(10-2\right)=h$

• $10\times2+2=h$

Which of the following is an algebraic expression for the phrase 3 more than twice the sum of a number and 7 is 30?

• $3\left(n+7\right)=30$

• $2\left(n+7\right)+3=30$

• $3+2n+7=30$

• $2\left(3+n+7\right)=30$

Perfect Pooch pet training service is offering a deal for its dog training services. Each pet owner will be charged $75 for each pet and $25 for each additional pet. Which equation describes the cost, C, for training d dogs at Perfect Pooch?

• C = 25d

• C = 25d + 75

• C = 75d

• C = 75d + 25

• –6x + 1 = 45

• –3(3x) = 45

• –6x – 3 = 45

• –6x = 44

• A

• B

• C

• D

 What is the value of x that makes the statement true?

 $\frac{3}{4}x-2=10$  



• 48

• 24

• 16

• 12

Directions: Write your answer in the box. Do not use spaces.

Carol spent $48 at the fair, which was four times the amount she spent last year at the fair. How much money did Carol spend last year at the fair?

• 7

• 5

• 4

• 2