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Mathematics
OpenStudy (anonymous):

The price of a minor league baseball ticket increased and decreased these amounts over four years: -10.8%, +14.2%, +16.5%, -4.7%. What is the MEAN increase or decrease over the four years?

OpenStudy (anonymous):

my guess is \[(1-.108)(1+.142)(1+.165)(1-.047)\]

OpenStudy (anonymous):

why would you guess that? what is the basis?

OpenStudy (anonymous):

ughh this is confusing

OpenStudy (anonymous):

you should sum the percentages and divide by 4. that's what an average is.

OpenStudy (anonymous):

ok thanks

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