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Mathematics 8 Online
OpenStudy (danieke):

The price of a technology stock was $9.78 yesterday. Today, the price fell to $9.71. Find the percentage decrease. Round your answer to the nearest tenth of a percent.

OpenStudy (danieke):

so its 9.71-9.78 ? 0r the other way around

OpenStudy (mathstudent55):

Once again, the first step is to find the the difference. Always do new number - old number.

OpenStudy (mathstudent55):

In this case, you are correct. The change is 9.71 - 9.78 Since the price went down, the change is negative.

OpenStudy (mathstudent55):

9.71 - 9.78 = -0.07

OpenStudy (mathstudent55):

Now you need to divide the change by the original number, the old price, and multiply by 100. -0.07/9.78 * 100

OpenStudy (mathstudent55):

sorry, but gtg. Just do the operation above and round to nearest tenth.

OpenStudy (danieke):

Thank you ;)

OpenStudy (mathstudent55):

You're welcome.

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