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Mathematics 16 Online
OpenStudy (anonymous):

Price of coffee dropped $2.10 today , Yesterday was $2.45 . What is the percentage decrease?

OpenStudy (anonymous):

Now, you try this one...same type of question as before. Let me see your work.

OpenStudy (anonymous):

what is the change in price?

OpenStudy (anonymous):

35 cents

OpenStudy (hesan):

First u have to find the difference of between both the prices i.e 2.45-2.10 and that is equal to $0.35 and now convert it into percent by multiplying 100 so its become 35%

OpenStudy (anonymous):

okay i got that much

OpenStudy (anonymous):

so it will be .35/2.45

OpenStudy (anonymous):

change .35/2.45 to a percent.

OpenStudy (anonymous):

what is .35/2.45?

OpenStudy (anonymous):

well?

OpenStudy (anonymous):

0.1428

OpenStudy (anonymous):

change that number to a percent.

OpenStudy (anonymous):

idk

OpenStudy (anonymous):

what is 0.1428 as a percent?

OpenStudy (anonymous):

idkkkk

OpenStudy (anonymous):

I showed you before...moce the decimal point 2 places to the right.

OpenStudy (anonymous):

no 14%

OpenStudy (anonymous):

14.28% agree?

OpenStudy (anonymous):

ohh ok

OpenStudy (anonymous):

what is 14.28% rounded to the nearest tenth?

OpenStudy (anonymous):

so rounded it would be 14.2

OpenStudy (anonymous):

i mean 14.3

OpenStudy (anonymous):

no...since there is an 8 (in the hundredths place, 14.2 rounds up to 14.3%.

OpenStudy (anonymous):

ok thanks u

OpenStudy (anonymous):

If there is a 5 or a number greater than 5 in the hundredths place, it rounds up.

OpenStudy (anonymous):

welcome.

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