Study Aide: Unit #7: Ratios, Rates & Proportional Relations

Which ratio does NOT belong with the other three?

• 1 : 3

• 12 : 4

• 13: 39

• 14: 42

Tags

CCSS.6.RP.A.3A

Ty is buying donuts for his PAWS class. A pack of 12 donuts costs $3.25. Which EXPRESSION below could TY use to determine the cost of 1 donut?

• 12 x 3.25

• 3.25 / 12

• 3.25 x 12

• 12 / 3.25

Tags

CCSS.6.NS.B.3

A sporting goods store sells three different packs of tennis balls. Which pack is the best buy? (Hint: cheapest unit price).

• The 4 pack costing $11.49.

• The 6 pack costing $16.79.

• The 9 pack costing $22.99.

Tags

CCSS.6.RP.A.3B

Ryan earns $22 busing tables in  $1\ \frac{3}{4}$  hours. How much does he "earn per hour"?

• $12.57 / hour

• $17.6 / hour

• $38.50 / hour

• $12.5 / hour

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Jeremy can row  $\frac{3}{8}$  of a mile in  $\frac{1}{4}$  of an hour. What is the unit rate that describes the miler per hour?

•  $1\ \frac{1}{2}miles\ per\ hour$  

•  $\frac{3}{4}miles\ per\ hour$  

•  $1\ \frac{1}{2}hours\ per\ mile$  

•  $\frac{3}{4}\ hours\ per\ mile$  

Tags

CCSS.7.RP.A.1

The girl scoot troop hikes  $\frac{2}{3}$  mile every  $\frac{1}{2}$  hour.  Find the speed of the troop in miles per hour.

•  $1\ \frac{1}{4}mph$  

•  $\frac{3}{4}mph$  

•  $1\ \frac{1}{3}mph$  

•  $1\ \frac{1}{3}hpm$  

Tags

CCSS.7.RP.A.1

A proportional relationship is shown. Find the constant of proportionality.

• 0.29

• 2.9

• 0.34

• 3.4

Tags

CCSS.7.RP.A.2B

At a store a package of 15 ounces of rotisserie turkey breast costs $8.85. Some information about other types of turkey breast lunch meat at the store is shown in the following table. *Select THREE TYPES of turkey breast having the same unit rate as the rotisserie turkey breast.

• Mesquite Turkey

• Peppered Turkey

• Low Sodium Turkey

• Hickory Smoked Turkey

• Cherry Wood Turkey

Tags

CCSS.6.RP.A.3B

The ratio table shows the different costs for different amounts of artificial turf. If the rate remains constant, what will be the cost (in dollars) of 3400 square feet of turf.

• $12,600

• $13,600

• $4

• $14,400

Which equation below best represents the relationship of yellow paint to red paint?

• y = 3x

• y = 1/3x

• y = 3+ x

• y = 3 - x

Tags

CCSS.6.EE.C.9