Proportional Reasoning

Tareq pays $22.10 for 2.6 pounds of salmon. What is the price per pound of the salmon?

Evaluate responses using AI:

OFF

The cost of 3 pounds of grapes is $6.57. Therefore, the constant of proportionality is ​​​ (a)   ​​ in relation to the cost in dollars, y, to the number of pounds of grapes, x. ​

• 2.19

• 6.57

• 3

• not here

A recipe for fruit salad includes 1/3 cup of grapes for 4 servings. This means there will be ​ (a)   cups of grapes needed for 30 servings of this fruit salad.

• 2 and a half

• 7 and a half

• 40

• 10

The ratio of boys to girls at EK Powe Elementary school is 2 to 3. Match the girls to total number of students in each class.

• 45

• 9

• 36

• 16

• 48

• 15

• 42

• 18

• 27

• 12

The price of a video game was reduced from $60 to $45. By what percentage was the price of the video game reduced?

• 15%

• 25%

• 75%

• 40%

How many megabytes do 35 of these pictures take up?

• 18 MB

• 70 MB

• 8 MB

• 23 MB

The pair of figures is similar. Find the missing side.

• x = 9

• x = 28

• x = 7

• x = 63

What was the scale factor from the smaller to the larger figure?

• SF 0.96

• SF 1

• SF 2.5

• SF .5

Use proportions to solve the following:

• 3.5 ft

• 21 ft

• 4 ft

• 18 ft

You spend $40 on 5 pounds of concrete. What is the unit rate in dollars per pound?

• $8 per pound

• $35 per pound

• $5 per pound

• $0.125 per pound