document.write( "Question 357586: There are 28 students in a mathematics class. If one-fourth of the students are called to the guidence office, one-third of the remaining students are called to the nurses office, and, finally, one-half of those left to go to the library, how many students remain in the classroom? \n" ); document.write( "

Algebra.Com's Answer #255295 by jim_thompson5910(35256) $\"\"$ $\"About$

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Since \"There are 28 students in a mathematics class\" and \"one-fourth of the students are called to the guidence office\", this means that $\"%281%2F4%2928=28%2F4=7\"$ students are called to the guidence office. So there are $\"28-7=21\"$ students left.\r
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\n" ); document.write( "\n" ); document.write( "Since \"one-third of the remaining students are called to the nurses office\", we know that $\"%281%2F3%2921=21%2F3=7\"$ students are called to the nurses office. So there are $\"21-7=14\"$ students left.\r
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\n" ); document.write( "\n" ); document.write( "Finally, because \"one-half of those left to go to the library\", there are $\"%281%2F2%2914=14%2F2=7\"$ students who went to the library. So there are $\"14-7=7\"$ students left in the class. \n" ); document.write( "

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