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OpenStudy (anonymous):
79 cell phone;20 percent discount?
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OpenStudy (mathstudent55):
First, find 20% of $79. Then subtract that form $79.
OpenStudy (anonymous):
15.01?
OpenStudy (anonymous):
is my answer right?
OpenStudy (mathstudent55):
How did you get it?
OpenStudy (anonymous):
20*79=1580and then subtracted by 79
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OpenStudy (mathstudent55):
20% = 0.2 0.2 * $79 = $15.80 You more or less go this. The discount is $15.80 Now we do $79 - $15.80
OpenStudy (anonymous):
so I'm right?:)
OpenStudy (mathstudent55):
No. The answer is not $15.01 as you wrote above. The answer is $79 - $15.80 = $63.20
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