Semester Review 2020

What is the value of the expression ?

 $6\frac{3}{4}\left(-11.5\right)$  

• $77\frac{5}{8}$

• $69\frac{3}{4}$

• $-77\frac{5}{8}$

• $-69\frac{3}{4}$

Mrs. Humble is filling bags with peanuts to give as gifts. Each bag will contain 1.6 pounds of peanuts. The peanuts cost $4.95 per pound.

How much will the peanuts in one bag cost?

Marsha gave the cashier $40 to pay for 4 pairs of socks. The cashier gave her $6.04 in change. Each pair of socks cost the same amount.

What is the cost in dollars and cents for each pair of socks?

A company bought ink cartridges for 8 printers. They bought 5 black ink cartridges and 3 color ink cartridges for each printer. Each black ink cartridge cost $44.32, and each color ink cartridge cost $86.83.

What is the total cost of the ink cartridges the company bought?

Which Venn diagram best represents the relationship among integers, natural numbers, rational numbers, and whole numbers?

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A certain cookie recipe calls for 2 cups of flour to make one batch of cookies. Which graph best represents the relationship between the amount of flour and the number of batches of cookies that can be made using this recipe?

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A peregrine falcon in flight can travel as fast as 200 miles per hour. Which representation does NOT show y, the total number of miles that a peregrine falcon can fly, in x hours?

• d = 200t, where d represents distance in miles and t represents time in hours.

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• A peregrine falcon can fly 1,100 miles in 5.5 hours.

Jeffrey earns a constant hourly rate of $12.25 at the tire shop. Which of these best represents the relationship between the number of hours Joseph worked, h, and his total amount earned, t?

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Marketa bought 2.7 pounds of walnuts for $25.54. Approximately how many pounds of walnuts can Marketa purchase for $1?

Lane bought 4 pounds of walnuts for $10.92. What is the constant of proportionality that relates the cost in dollars, y, to the number of pounds of walnuts, x?