Mid-Term Review

This graph shows a proportional relationship between the number of hours (h) a business operates and the total cost (c) of electricity. Which statement is TRUE about the graph.

• The total cost of electricity is $1 when operating the business for 10 hours.

• The total cost of electricity is $140 when operating the business for 14 hours.

• Point A represents the total cost of electricity $6 when operating the business for 6 hours.

• All statements are FALSE

Aimee has $10 to spend on school supplies. The following table shows the price of each item in the school store. No sales tax is charged on these items. Determine if Aimee can buy the combination of items with her $20.

• 2 Erasers

  3 Folders

  5 Notebook

  5 Pens

• 2 Erasers

  3 Folders

  3 Notebook

  11 Pens

• 3 Erasers

  5 Folders

  2 Notebook

  10 Pens

• 1 Erasers

  3 Folders

  4 Notebook

  8 Pens

Cameron’s friend John is going to Italy. She wants John to bring her back a souvenir item but Italy uses the Euro as its own unit of currency.

Conversion 1 US Dollar = about .77 European Euro

If Cameron gives his friend $50, about how many European Euros can John spend on the souvenir?

• 35.8

• 64.9

• 38.5

• 35

The ladders shown below are standing against the wall at the same angle. How high up the wall does the longer ladder go? (All measurements are in feet.)

• 25 feet

• 12.5 feet

• 14 feet

• 11.25 feet

A 3-pound package of ground beef is $7.80. A ½-pound package is $1.28. What is the difference in the cost per pound between the larger and smaller packages of beef?

• The larger package costs $6.52 per pound more than the smaller package.

• The larger package costs $2.60 more per pound than the smaller package.

• The smaller package costs $1.32 more per pound than the larger package.

• The larger package costs $0.04 more per pound than the smaller package.

Penelope is driving to college. She looks at a map to find out how far she has to drive. On the map, Penelope measures the distance to be 7.5 inches. If the map scale is 1.5 in. = 40 mi, how many miles does Penelope need to drive?

• 200 miles

• 210 miles

• 300 miles

• 9/32 mile

Theo uses a cookie recipe that requires ½ cup flour to make 18 cookies. If Theo wants to make 4 dozen cookies, how much flour should Theo use?

• 1 cup

The following table represents a proportional relationship between the number of bagels purchased and the cost. Which equation can be used to find the cost for 13 bagels?

Use the coordinate grid below to answer the question.

What is the circumference of the circle?

• 12.56 units

• 25.12 units

• 50.24 units

• 251.2 units

Lamar has a container filled with nickels that have a value of $51.45. He has 4 other identical containers with nickels. Of the 4 other identical containers, 2 of them are full, 1 of them is 3/4 full, 1 of them 1/2 full. Lamar estimates that the total value of all 5 containers of nickels is approximately $250. Which statement best explains why Lamar’s estimate is likely an overestimate or an underestimate?

• Lamar’s estimate is an underestimate by $31

• Lamar’s estimate is likely an underestimate by $51

• Lamar’s estimate is likely an overestimate by $51

• Lamar’s estimate is likely an overestimate by $31