Lamian is a Chinese noodle made by repeatedly folding and stretching dough to make noodles of varying thickness. A ball of dough is rolled into a long "rope" 2 centimeters (cm) in diameter. One end of the dough is held in each hand, and the dough is stretched and folded, making 2 separate strands. This process is repeated until the strands are the desired thickness. Assume that each time the dough is stretched, the thickness of each noodle decreases by30%. How many folds will be needed to produce noodles whose thickness is at most 0.5cm?

Algebra and Trigonometry (6th Edition)
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ISBN:9780134463216
Author:Robert F. Blitzer
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ChapterP: Prerequisites: Fundamental Concepts Of Algebra
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Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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  1. Lamian is a Chinese noodle made by repeatedly folding and stretching dough to make noodles of varying thickness. A ball of dough is rolled into a long "rope" 2 centimeters (cm) in diameter. One end of the dough is held in each hand, and the dough is stretched and folded, making 2 separate strands. This process is repeated until the strands are the desired thickness.

Assume that each time the dough is stretched, the thickness of each noodle decreases by30%. How many folds will be needed to produce noodles whose thickness is at most 0.5cm?

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