7.) Tomas practiced the piano 3 hours less than twice as many hours as David practiced. Let d represent the number of hours that David practiced. Which of the following expressions represents the number of hours that Tomas practiced? a. 3d- 2 b. 3-2d C. 2d-3 d. 2-3d
7.) Tomas practiced the piano 3 hours less than twice as many hours as David practiced. Let d represent the number of hours that David practiced. Which of the following expressions represents the number of hours that Tomas practiced? a. 3d- 2 b. 3-2d C. 2d-3 d. 2-3d
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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Question

Transcribed Image Text:7.) Tomas practiced the piano 3 hours less than
twice as many hours as David practiced. Let d
represent the number of hours that David
practiced. Which of the following expressions
represents the number of hours that Tomas
practiced?
a.
3d- 2
b.
3-2d
C.
2d- 3
d.
2-3d
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