Algebra
19 Online
OpenStudy (anonymous):
16 lb 4 oz to 20 lb 1 oz
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OpenStudy (anonymous):
Halp
@Preetha @pgpilot326 @ParthKohli
OpenStudy (anonymous):
what is the question?
OpenStudy (anonymous):
Percent of Change
OpenStudy (anonymous):
can you calculate the amount of change?
OpenStudy (anonymous):
idk how to do this if you could take me step by step thatd be great
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OpenStudy (anonymous):
i'd convert everything to ounces first, then calculate the difference and then calculate the percent of the difference
OpenStudy (anonymous):
um please take through that, will fan and medal
OpenStudy (anonymous):
how many ounces in a lb?
OpenStudy (anonymous):
16
OpenStudy (anonymous):
okay so how many ounces in the first weight?
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OpenStudy (anonymous):
260 oz
OpenStudy (anonymous):
great! and how many in the 2nd weight?
OpenStudy (anonymous):
um 321
OpenStudy (anonymous):
awesome! now how many ounces did the 1st weight increase by to get to 321 ounces?
OpenStudy (anonymous):
321 - 260 = 61
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OpenStudy (anonymous):
so now just divide that by the original weight and convert to a percentage and you will have the answer you seek
OpenStudy (anonymous):
oh so 260 / 61?
OpenStudy (anonymous):
no... 61/260
OpenStudy (anonymous):
how come is not 260 / 61? Can you explain?
OpenStudy (anonymous):
percent change is always the change divided by the original amount
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OpenStudy (anonymous):
so 61/ 260 = 23%
OpenStudy (anonymous):
23.461...%
OpenStudy (anonymous):
not sure how many decimal places are required in your answer
OpenStudy (anonymous):
but rounded to the nearest tenth
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OpenStudy (anonymous):
tenth of a percent?
OpenStudy (anonymous):
what would that be then?
OpenStudy (anonymous):
23.5?
OpenStudy (anonymous):
there you go... good job!
OpenStudy (anonymous):
Thanks
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OpenStudy (anonymous):
you're welcome