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Algebra 19 Online
OpenStudy (anonymous):

16 lb 4 oz to 20 lb 1 oz

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

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?

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

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

OpenStudy (anonymous):

have a look... http://www.mathsisfun.com/numbers/percentage-change.html

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

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

OpenStudy (anonymous):

you're welcome

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