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1. An item costs $250. There's an 8% sales tax. A customer, trying to anticipate the total cost, did 250 times 0.8; then, add 200 to 250. Right or Wrong? Explain/show work. 2. An investment of $150 grew to $300. This means that the investment grew 200%. True or False? Explain or show work.

1. An item costs $250. There's an 8% sales tax. A customer, trying to anticipate the total cost, did 250 times 0.8; then, add 200 to 250. Right or Wrong? Explain/show work. 2. An investment of $150 grew to $300. This means that the investment grew 200%. True or False? Explain or show work.

Algebra and Trigonometry (6th Edition)
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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B. Common misconceptions surrounding percent Answer True/Right or False/Wrong for each of the following. Be sure to provide an example, solution/calculations or/and mathematical explanations in each case. 1. An item costs $250. There's an 8% sales tax. A customer, trying to anticipate the total cost, did 250 times 0.8; then, add 200 to 250. Right or Wrong? Explain/show work. 2. An investment of $150 grew to $300. This means that the investment grew 200%. True or False? Explain or show work.
Transcribed Image Text:B. Common misconceptions surrounding percent Answer True/Right or False/Wrong for each of the following. Be sure to provide an example, solution/calculations or/and mathematical explanations in each case. 1. An item costs $250. There's an 8% sales tax. A customer, trying to anticipate the total cost, did 250 times 0.8; then, add 200 to 250. Right or Wrong? Explain/show work. 2. An investment of $150 grew to $300. This means that the investment grew 200%. True or False? Explain or show work.
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