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Mathematics 10 Online
OpenStudy (anonymous):

Madison estimated that there were 918 jelly beans in a jar. The actual number of jelly beans in a jar was 850. What was the percent error of Madison's estimate??

OpenStudy (misty1212):

onna!

OpenStudy (misty1212):

three steps 1) what is \(918-850\)?

OpenStudy (anonymous):

68

OpenStudy (misty1212):

step two i do write \[\frac{68}{850}\]

OpenStudy (misty1212):

step 3 is to do the division use a calculator

OpenStudy (anonymous):

okay i have it rn

OpenStudy (misty1212):

let me know what you get

OpenStudy (anonymous):

0.11724138

OpenStudy (misty1212):

hmm try again, that is not what i got

OpenStudy (misty1212):

did you do \(68\div850\)?

OpenStudy (anonymous):

yeah sorry but its 12.5

OpenStudy (misty1212):

ok lets be careful here hit the buttons like this \[68\div 850\]

OpenStudy (anonymous):

i put 850 / 68

OpenStudy (misty1212):

that is upside down do 68 / 850

OpenStudy (anonymous):

0.08?

OpenStudy (misty1212):

yay!!

OpenStudy (misty1212):

now we turn it in to a percent by moving the decimal two places to the right, so \[.08=8\%\]

OpenStudy (anonymous):

ohh okay so the answer is 8%?

OpenStudy (misty1212):

yup

OpenStudy (misty1212):

\[\color\magenta\heartsuit\]

OpenStudy (anonymous):

thank youu

OpenStudy (anonymous):

thank youu

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