KPrep Review-Proportional Relationships

A bakery sells 5 bagels for $7.50. There is a proportional relationships between the cost and the number of bagels.

Which equation represents the cost in dollars, c, for b bagels?

• c=2.5b

• c=1.5b

• b=1.5c

• b=2.5c

Tags

CCSS.7.EE.B.4

CCSS.7.RP.A.1

CCSS.7.RP.A.2

CCSS.7.RP.A.3

A machine in a factory makes paper clips. The table shows the proportional relationship between the number of paper clips a machine makes and the number of minutes it takes to make the paper clips.

What missing numbers needs to go in the table to show a proportional relationships?

• 8

• 165

• 55

• 275

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

Taylor works on an art project that uses only rectangular pieces of paper. The first rectangle has length 3/8 in. and width 3 in.

Determine which dimensions below are proportional to the dimensions of Taylor's first rectangle.

• Length 6 in.; Width 3/4 in.

• Length 1/2 in.; Width 4 in.

• Length 1 1/8 in.; Width 9 in.

• Length 3 in.; Width 5 5/8 in.

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

A florist prepares an order of daisies and roses.  For every 5 daisies, she orders 2 roses.
What two equations show the relationship between the number of daisies, d, and the number of roses, r?

•  $r=\frac{2}{5}d$  

•  $d=\frac{5}{2}r$  

•  $r=\frac{5}{2}d$  

•  $d=\frac{2}{5}r$  

Tags

CCSS.7.EE.B.4

CCSS.7.RP.A.2

CCSS.7.RP.A.3

The double number line shows the relationship between the distance traveled by a cheetah and the time.

Which statement best explains the meaning of the circled ratio?

• The cheetah travels 1/3 km in 1 min.

• The cheetal travels 1 1/3 km in 1 min.

• The cheetah travels 1 km in 1/3 min.

• The cheetah travels 1 km in 1 1/3 min.

Tags

CCSS.7.RP.A.1

CCSS.7.RP.A.2

CCSS.7.RP.A.3

An orchard sells 6 lb. of apples for $13.50. There is a proportional relationship between the cost and the number of apples.

Which equations represents the cost in dollars, c, for p pounds of apples?

• p=7.5c

• c=2.25p

• p=2.25c

• c=7.5p

Tags

CCSS.7.EE.B.4

CCSS.7.RP.A.1

CCSS.7.RP.A.2

CCSS.7.RP.A.3

The table shows the proportional relationship between the number of seats and the number of rows in an auditorium.

Which numbers are missing from the table to show a proportional relationship?

• 45

• 7

• 180

• 405

Tags

CCSS.7.RP.A.1

CCSS.7.RP.A.2

CCSS.7.RP.A.3

Bella reads for 2/3 hour and listens to music for 2 hours.

Determine which number of hours spent reading and listening to music for each person described below are proportional to the number of hours Bella spends reading and listening to music.

• Lee reads for 2 hours and listens to music for 3 1/3 hours.

• Paola reads for 1 1/3 hours and listens to music for 4 hours.

• Matthew reads for 5 hours and listens to music for 1 2/3 hour.

• Jasmine reads for 1/3 hour and listens to music for 1 hour.

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

A pizzeria uses 5 oz. of tomato sauce for every 4 oz. of cheese.

What two equations show the relationship between ounces of tomato sauce, x, and ounces of cheese, y?

• $x=\frac{5}{4}y$

• $x=\frac{4}{5}y$

• $y=\frac{4}{5}x$

• $y=\frac{5}{4}x$

Tags

CCSS.7.EE.B.4

CCSS.7.RP.A.1

CCSS.7.RP.A.2

CCSS.7.RP.A.3

The double number line shows the relationship between the total weight in pounds and the number of cans of peaches.

Which statement best explains the meaning of the circled ratio?

• Each can of peaches weighs 1/6 lb.

• Each can of peaches weighs 1 1/6 lb.

• Each pound equals 1/6 can of peaches.

• Each pound equals 1 1/6 cans of peaches.

Tags

CCSS.7.RP.A.1

CCSS.7.RP.A.2

CCSS.7.RP.A.3