Practice 7-8

• -122
• 88
• 2
• -9.6
• 0l3
• 0.3

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AI.9.2.I

AI.9.5.C

Mathematical Equivalence

ON

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AI.9.2.I

AI.9.5.C

Mathematical Equivalence

ON

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AI.9.2.I

AI.9.5.C

Barb is a huge fan of boy bands. She recently attended a concert of her favorite group, Sis’tem. Barb bought some souvenirs to remember the experience. She purchased shirts that cost $30 each and keychains that cost $4.50 each.

If Barb bought 7 items and spent $133.50, how many shirts did she buy?

Mathematical Equivalence

ON

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AI.9.2.I

AI.9.5.C

Lonnie the librarian sold 38 books for $115. Hardback books were sold for $3.75 each and paperback books were sold for $2.50 each.

How many hardbacks were sold?

Mathematical Equivalence

ON

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AI.9.2.I

AI.9.5.C

Bennie the banker has 35 coins that have a value of $4.35. Some of the coins Bennie has are nickels and the rest are quarters.

How many nickels does Bennie have?

Mathematical Equivalence

ON

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AI.9.2.I

AI.9.5.C

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AI.9.2.I

AI.9.5.C

Not including tax, a total of 19 pens and markers cost $11.50. The pens cost $0.25 each, and the markers cost $0.75 each. Which system of equations could be used to solve for the number of pens (p) and the number of markers (m) bought?

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AI.9.2.I

AI.9.5.C

Which system of equations can be used to solve for the point of intersection of the lines on the graph?

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AI.9.2.I

AI.9.5.C

Which system of equations could be used to solve for the point of intersection of the lines on the graph?

Tags

AI.9.2.I

AI.9.5.C