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Mathematics 23 Online
OpenStudy (anonymous):

Yesterday the price of the book was $9.84 , today the price is $9.71. What is the percentage decrease?

OpenStudy (anonymous):

@Easyaspi314

OpenStudy (anonymous):

I gave you the formula before..... Percent decrease = change in price/original price

OpenStudy (solomonzelman):

I mean 9.84 / (x/100) = 9.71

OpenStudy (anonymous):

@SolomonZelman so it would be 9.7 if you round it

OpenStudy (anonymous):

Change in price = $9.84 - $9.71 = .07

OpenStudy (anonymous):

so is it 9.8 ?

OpenStudy (anonymous):

Sorry...difference is $9.84 - $9.71 = .13

OpenStudy (anonymous):

so the answer is .13 and that is already rounded?

OpenStudy (anonymous):

So it is .13/9.84 = .013211

OpenStudy (anonymous):

You can change that to a percent.

OpenStudy (anonymous):

idk how

OpenStudy (solomonzelman):

My bad, do what Easyaspi314 said, subtract $9.84 - $9.71, and then put over 9.84 he beat me

OpenStudy (anonymous):

Can you change a decimal to a percent?

OpenStudy (solomonzelman):

B/c .13 is the same as 13%

OpenStudy (anonymous):

so its 13% is the answer?

OpenStudy (solomonzelman):

.a = times 100= a%

OpenStudy (anonymous):

Take the decimal point and moce it 2 places to the right....you get 1.3211%

OpenStudy (solomonzelman):

to the nearest dollar, yes

OpenStudy (anonymous):

1.3 %

OpenStudy (anonymous):

or 1.3% to the nearest tenth

OpenStudy (solomonzelman):

Oh, my bad, sorry for misleading....

OpenStudy (anonymous):

.13 is just 13 cents...that is just the difference in price

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