Flashcards on Algebraic Modeling and Basic Geometry
Algebraic Modeling & Basic Geometry: Master Key Concepts
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School Algebra Problems
14 cards
Card 1
Question: Aron buys books online: the cost is $6 for each book plus a postage fee of $4. Write an expression for the total cost C for b books.
Answer: C = 6b + 4
Card 2
Question: Using C = 6b + 4, what is the cost for 6 books?
Answer: C = 6(6) + 4 = 36 + 4 = $40
Card 3
Question: Using C = 6b + 4, what is the cost for 12 books?
Answer: C = 6(12) + 4 = 72 + 4 = $76
Card 4
Question: Using C = 6b + 4, what is the cost for 3 books?
Answer: C = 6(3) + 4 = 18 + 4 = $22
Card 5
Question: Theatre tickets cost $12 each plus a booking fee of $3. Write an expression for the total cost C for t tickets.
Answer: C = 12t + 3
Card 6
Question: Using C = 12t + 3, what is the cost for 6 theatre tickets?
Answer: C = 12(6) + 3 = 72 + 3 = $75 (note: content listed $78, but expression gives $75).
Card 7
Question: Using C = 12t + 3, what is the cost for 4 tickets?
Answer: C = 12(4) + 3 = 48 + 3 = $51
Card 8
Question: Using C = 12t + 3, what is the cost for 10 tickets?
Answer: C = 12(10) + 3 = 120 + 3 = $123
Card 9
Question: Pizzas cost $24 each plus delivery of $5. Write an expression for the total cost C for p pizzas.
Answer: C = 24p + 5
Card 10
Question: Using C = 24p + 5, what is the cost for 8 pizzas?
Answer: C = 24(8) + 5 = 192 + 5 = $197 (content lists $192).