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in 2012 there were approximately 8950 public libraries in the United States. a survey found that 76% of those libraries offered free access to Sonic books based on this information how many public libraries offered free access to electronic books in 2012

Respuesta :

Its a percentage of books in a library

now comes numerical part for 76

decompose in its divisors

then 76= 19x 4

76/19= 4

also 76 = 25+25+25+1

now the number of total libraries is 8950

dividing by 76/19= 4

results 8950/4 = 2237.5

this is the 25%

now multiply by 3 to obtain 75% .

then 2237.5x3 =6.712.5

an add 1% that is 8950/100= 89.5

so finally 6712.5 + 89.5 = 6802 libraries

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