Math SW review 3

Which statement describes the relationship between x and y in these two equations?

y = 4x

y = x + 4

• y = 4x the value of y is 4 more than the value of x, and in y = x + 4 the value of y is four times the value of x

• y = 4x and y = x + 4 the value of y is 4 more than the value of x.

• y = 4x and y = x + 4 the value of y is 4 times the value of x.

• y = 4x the value of y is 4 times the value of x, and in y = x + 4 the value of y is four more than the value of x

Which of the following is NOT equivalent to the model?

• 60%

• .60

• 24

  40

• 44

  100

Which model represents 4/5?

• 
• 
• 
• 

Ariel wants to save a total of $5 to buy a new toy. She has saved $1 so far. Which percentage represents the fraction of the total that Ariel has saved so far?

• 10%

• 20%

• 40%

• 50%

What decimal is equivalent to 1/8?

• 1.8

• 0.105

• 0.125

• 0.18

45/100 is equal to which of the following fractions?

• 4

  5

• 9

  20

• 450

  10

• 9

  200

On Wednesday 72% of the customers who bought gas made additional purchases. A total of 250 customers bought gas. How many made additional purchases.

108 people visited a water park today. This number is 40% of the number of people who visited the park yesterday. How many people visited the park yesterday?

• 270

• 148

• 292

• 151

Which equation represents the relationship between x and y?

• y = -3.5x

• y = -50x - 3.5

• y = x - 3.5

• y = 50 - 3.5x

Which expression best represents the graph?

• $6 for one pencil

• 6 boxes for $1

• Six pencils for $1

• Three pencils for $6