If a number decreases from 640 to 160 what is the rate of decrease?

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Asked 11/12/2014 4:58:42 PM

Updated 11/12/2014 5:15:53 PM

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Question

Asked 11/12/2014 4:58:42 PM

Updated 11/12/2014 5:15:53 PM

1 Answer/Comment

This conversation has been flagged as incorrect.

Flagged by debnjerry [11/12/2014 5:15:53 PM]

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If a number decreases from 640 to 160, the rate of decrease is 75%.

(640-160)/640*100=75

(640-160)/640*100=75

Added 11/12/2014 5:15:52 PM

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Updated 11/6/2014 5:03:58 PM

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6x(x+5y+4z)= **Weegy:** 6x(x+5y+4z)
=(6x)(x)+(6x)(5y)+(6x)(4z)
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Updated 11/6/2014 7:42:46 AM

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________ means to transfer a term from one side of an equation to the other. (Points : 3)

Transpose means to transfer a term from one side of an equation to the other.

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Updated 2/6/2016 8:17:41 PM

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Transpose means to transfer a term from one side of an equation to the other.

Added 2/6/2016 8:17:41 PM

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Statistics show that the sales force of a certain company successfully closed 990 sales out of 1,100 sales calls. What was their percent success rate?
User: 156.1 is 70% of what number?

Question

Updated 11/12/2014 5:19:16 PM

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Statistics show that the sales force of a certain company successfully closed 990 sales out of 1,100 sales calls.

The percent success rate is 90%.

990/1100*100=90

The percent success rate is 90%.

990/1100*100=90

Added 11/12/2014 5:18:36 PM

This answer has been confirmed as correct and helpful.

156.1 is 70% of 223

.7x=156.1

x=156.1/.7

x=223

.7x=156.1

x=156.1/.7

x=223

Added 11/12/2014 5:19:16 PM

This answer has been confirmed as correct and helpful.

What percent of 170 is 97.75? **Weegy:** 57.5% of 170 is 97.75. 97.75/170 = x/100 170x = 9775 x = 57.5 **User:** Statistics show that the sales force of a certain company successfully closed 434 sales out of 700 sales calls. What was their percent success rate?
If needed, enter decimals rather than fractions. Do not enter the percent symbol in your answer.
**Weegy:** Statistics show that the sales force of a certain company successfully closed 434 sales out of 700 sales calls. 434/700*100=62 Their percent success rate was 62%. **User:** 34% of the students at a college are from out-of-state. If 2,312 students are from out-of-state, how many students attend the college? **Weegy:** There are 6800 students from the college. 2312 / 34 * 100 = 6800 **User:** If a number decreases from 1,000 to 835 what is the rate of decrease?
If needed, enter decimals rather than fractions. Do not enter the percent symbol in your answer.
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Updated 11/12/2014 5:22:35 PM

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If a number decreases from 1,000 to 835, the rate of decrease is 16.5 percent.

(1,000-835)/1,000*100=16.5

(1,000-835)/1,000*100=16.5

Added 11/12/2014 5:22:35 PM

This answer has been confirmed as correct and helpful.

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