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06-05-2019
Mathematics

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find the percent of decrease from 210 to 120. round to the nearest tenth if necessary. A. 75% B. 42.9% C. 0.8% D. 175%

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06-05-2019

Answer:

42.9%

Step-by-step explanation:

-42.857142857142854 is the exact number. Rounded to 42.9% thus b: is the correct answer.

Formula:

[(120 - 210) / 210] × 100% = -0.42857142857142855 × 100% = -42.857142857142854%

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