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Mathematics 14 Online
OpenStudy (leticiau):

What is the percent of decrease from 320 to 32? A. 10% B. 90% C. 100% D. 288%

OpenStudy (steve816):

Subtract 32 from 320 first.

OpenStudy (steve816):

320 - 32 = ?

OpenStudy (steve816):

Hint: it's 288.

OpenStudy (steve816):

After that, all you do is 288/320

OpenStudy (steve816):

Hint: 288/320 is 0.9 Can you figure out the percentage from 0.9?

OpenStudy (leticiau):

90?

OpenStudy (steve816):

Yup!

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