Mathematics OpenStudy (anonymous):

In store A the price of mayonnaise went down from $4.31 to$3.71. in store B it went from $8.09 to$7.23. In store C it went from \$8.07 to 3.53 . what was the average decrease? OpenStudy (anonymous):

add the orininal peize.. (1) find total decrease (2) now (1/2)*100 u will get it...... OpenStudy (anonymous):

do i add all the original prices together? OpenStudy (anonymous):

yes OpenStudy (anonymous):

does this mean 'average decrease as a price' or 'average decrease as a percent'? OpenStudy (anonymous):

as a price OpenStudy (anonymous):

okhay i added the original prices now what do i do? OpenStudy (anonymous):

find the decrease in the price at each shop........ OpenStudy (anonymous):

now add all the decrease from each shop then to find average decrease divide the total decrease bay 3( since three terms ) OpenStudy (anonymous):

yea i got it wrong OpenStudy (asadkarim7):

1st decrese = 4.31-3.71= 0.6 2nd decrese = 8.09-7.23=0.83 3rd decrese = 8.07-3.53=4.54 avg = sum of data / no of data 0.6 - 0.83-4.54 / 3 5.97/3= 1.99 OpenStudy (anonymous):

thanksssss OpenStudy (asadkarim7): OpenStudy (anonymous):

yes can you help me again? OpenStudy (asadkarim7):

yeah sure

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