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OpenStudy (howard-wolowitz):
One math question check my answer plz! Thanks!
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OpenStudy (matt101):
What numbers did you use to solve the equation?
OpenStudy (howard-wolowitz):
28 and 20
OpenStudy (howard-wolowitz):
Also I just re-worked it and got C
OpenStudy (matt101):
Woah my comp just crashed haha give me a sec
OpenStudy (howard-wolowitz):
Ok!
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OpenStudy (matt101):
Alright so your value for P is right (28). Your value for D is the discount itself, not the discount price, so it would be 28-20=8 in this case. When you use P=28 and D=8, what answer do you get?
OpenStudy (howard-wolowitz):
2/7
OpenStudy (howard-wolowitz):
what did you get?
OpenStudy (howard-wolowitz):
@mathmate
OpenStudy (howard-wolowitz):
@mathslover
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OpenStudy (howard-wolowitz):
@pitamar
OpenStudy (howard-wolowitz):
@SolomonZelman
OpenStudy (matt101):
The last answer: R = 1 - (28-8)/28 = 0.29
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