Topic 4 Assessment Form B

The price of nails is $1.29/lb, the price of washers is $0.79/lb, and the price of bolts is $2.39/lb. Part A: Write an expression to represent the total price of n pounds of nails, w pounds of washers, and b pounds of bolts.

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The price of nails is $1.29/lb, the price of washers is $0.79/lb, and the price of bolts is $2.39/lb. Part B: What is the total cost of buying 2 pounds of nails, 4 pounds of washers, and 3 pounds of bolts?

During a walkathon, Team A walks a total of 6x + 12 miles and Team B walks a total of 4x - 7 miles. What is the difference in miles walked between the two teams?

• 2x - 5

• 2x + 5

• 2x - 19

• 2x + 19

Select all the expressions that are equivalent to -3/4 (32 + 24e - 4f).

• 24 + 18e - 3f

• -18e + 3f - 24

• -24 - 18e + 3f

• 8 - 6e - f

• 3(-8 - 6e + f)

Simplify the expression $2(x - 6) + 2(8)$.

• 2x + 4

• 2x + 2

• x + 4

• x + 2

The manager of a store marks up all items by 10%. If $x$ is the original price, select all the expressions that represent the new price with the markup.

• 0.9x

• x

• 1.1x

• x + 0.1x

• x - 0.1x

There are $10x - 8$ customers in a store on Monday and $6x + 16$ customers on Tuesday. What is the total number of customers for the two days?

• 4x + 24

• 4x + 8

• 16x + 24

• 16x + 8

The height of the water in a fish pond is 42.5 inches. Water is being drained from the pond at a rate of 3.75 inches per minute. What is the height of the water after 3 minutes?

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Select all correct ways of factoring −5x − 15.

• −5(x + 3)

• 5(x + 3)

• 5(x − 3)

• −5(-x − 3)

• 5(x − 3)

Consider the expression below 30b − 6c. Part A Factor the expression using the GCF.

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