Section 3: Tony received a gift card of $90 for a pizza restaurant. The restaurant charges $15 per pizza. Christine received a gift card of $110 for a differen pizza restaurant. The restaurant charges $20 per pizza. Let x be the number of pizzas purchased. a) For each card, write an expression for the amount of money left on the card after purchasing x pizzas.

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
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Section 3: Operations & Algebraic Thinking
Tony received a gift card of $90 for a pizza
restaurant. The restaurant charges $15 per pizza.
Christine received a gift card of $110 for a different
pizza restaurant. The restaurant charges $20 per
pizza.
Let x be the number of pizzas purchased.
a) For each card, write an expression for the
amount of money left on the card after
purchasing x pizzas.
Transcribed Image Text:Section 3: Operations & Algebraic Thinking Tony received a gift card of $90 for a pizza restaurant. The restaurant charges $15 per pizza. Christine received a gift card of $110 for a different pizza restaurant. The restaurant charges $20 per pizza. Let x be the number of pizzas purchased. a) For each card, write an expression for the amount of money left on the card after purchasing x pizzas.
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