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Biblioteka

Unit 5 Review A

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Pitanje 1
1.

Choose the ordered pair that is a solution to the system.

Pitanje 2
2.

Choose the ordered pair that is a solution to the system.

Pitanje 3
3.

Choose the ordered pair that is a solution to the system.

Pitanje 4
4.

Use the graph to determine the solution to the system of equations. Estimate to the nearest whole point.

Pitanje 5
5.

Use the graph to determine the solution to the system of equations. Estimate to the nearest whole point.

Pitanje 6
6.

Use the graph to determine the solution to the system of equations. Estimate to the nearest whole point.

Pitanje 7
7.

Use the graph to determine the solution to the system of equations. Estimate to the nearest whole point.

Pitanje 8
8.

Solve the linear system.

Pitanje 9
9.

Solve the linear system.

Pitanje 10
10.

Solve the linear system.

Pitanje 11
11.

Solve the linear system.

Pitanje 12
12.

Solve the linear system.

Pitanje 13
13.

Solve the linear system.

Pitanje 14
14.

Graph the system of linear inequalities.

Pitanje 15
15.

Graph the system of linear inequalities.

Pitanje 16
16.

135 light bulbs were purchased for $435.75, excluding tax. 40 watt and 60 watt bulbs were purchased. The 40 watt bulbs were $2.25 and the 60 watt bulbs were $3.75. How many of each type of bulb were purchased?

Answer format: ___40 watt bulbs and ___60 watt bulbs

Pitanje 17
17.

A collection contains small and large glasses. There are 137 glasses in all. The small glasses are worth $4.50 and the large glasses are worth $8.00. The collection is worth $700.50. How many of each type are in the collection?

Answer format: ___large glasses and ___small glasses

Pitanje 18
18.

You have ocd when it comes to the amount of raisins in your trail mix. You must have 12% raisins. At the local store, they carry two different types of trail mix, one has 8% raisins and the other has 14% raisins. How much of each type must you buy in order to mix them and get 8 lbs of trail mix with 12% raisins?

Answer format: ___lbs. 8% and ___lbs. 14%

Pitanje 19
19.

You call two different plumbers to repair a leak in your front yard. Company A tells you that they charge $50 for the service call and $39 an hour for labor. Company B tells you that they charge $32 for the service call and $45 an hour for labor.

At what point do the two companies charge the same amount?

Pitanje 20
20.

You call two different plumbers to repair a leak in your front yard. Company A tells you that they charge $50 for the service call and $39 an hour for labor. Company B tells you that they charge $32 for the service call and $45 an hour for labor.

Both companies said the job would take about 3.25 hours, which company would be cheaper to perform your repair?