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9. Gina sells cellphone covers. The revenue, R dollars, earned in a week is R = P(241-19P), where P dollars is the price she charges per cover. Determine the revenue earned in a week if she charges $4 per cover. 4R³

9. Gina sells cellphone covers. The revenue, R dollars, earned in a week is R = P(241-19P), where P dollars is the price she charges per cover. Determine the revenue earned in a week if she charges $4 per cover. 4R³

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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9. Gina sells cellphone covers. The revenue, R dollars, earned in a week is R = P(241 - 19P), where P dollars is the price she charges per cover. Determine the revenue earned in a week if she charges $4 per cover. 10. The approximate length, L, of rope in a ball of rope is given by the formula L 4R³ 2, where R is the radius of
Transcribed Image Text:9. Gina sells cellphone covers. The revenue, R dollars, earned in a week is R = P(241 - 19P), where P dollars is the price she charges per cover. Determine the revenue earned in a week if she charges $4 per cover. 10. The approximate length, L, of rope in a ball of rope is given by the formula L 4R³ 2, where R is the radius of
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