7th CBA Review Fall 2024

A hardware store has two rolls of wire. One roll has 12¾ feet of wire, the other roll has 15½ feet of wire. The store sells 4 pieces of wire, each measuring 3⅛ feet. How many feet of wire does the hardware store have left? ( Hint: Change to decimal to make it easier)

• 15 feet

• 14 feet

• 15.75 feet

• 16.75 feet

A generator has 20 gallons of gasoline at 6:00am. The generator uses 1.5 gallons of gasoline each hour. How many gallons of gasoline are left in the tank at 2:00pm?

• 10 gallons

• 7 gallons

• 8 gallons

• 18.5 gallons

Mia is baking cookies for a school bake sale. She has enough ingredients to make 48 cookies. She decides to sell each cookie for $1.25. However, she must set aside 8 cookies for the volunteer snack table. How much money will Mia make if she sells the remaining cookies?

• $ 38

• $ 67.5

• $ 20

• $ 50

Write an equation to represent a line where the value of y is 5 more than ⅓ the value of x.

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David is building a bookshelf for his home. He starts with a base that holds 15 books. For each additional shelf he builds, he can add 12 more books. Complete the table below to show the total number of books, y, that the bookshelf can hold based on the number of additional shelves, x.

• 0 shelves: 15 books
• 1 shelf: 27 books
• 2 shelves: 39 books
• 3 shelves: 51 books
• 4 shelves: 63 books

Write an equation that best represents the relationship between x and y on this graph.

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Amara is ordering custom mugs for her company event. Each mug costs $7.75, and there is a one-time setup fee of $15.00 for the custom design. Write an equation that can be used to find y, the total cost to order x mugs.

• y = 7.75x + 15

• y = 15x + 7.75

What is the solution to the following inequality? 3x - 2x + 5 ≤ 10

• x ≥ 5

• x ≤ 1

• x ≤ 5

• x < 5

What is the solution to the following equation? 3 ⅓x - 5 = 10

• 45

• 63

• 26

• 36

Solve the following equation: 2x - 10 = 8

• 12
• 7
• 5
• 9