document.write( "Question 1131709: Five numbers have an average of 16. If the first four numbers have a sum of 68, what is the fifth number? \n" ); document.write( "

Algebra.Com's Answer #748361 by rothauserc(4718) $\"\"$ $\"About$

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let x be the 5th number
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\n" ); document.write( "(68+x)/5 = 16
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\n" ); document.write( "68+x = 80
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\n" ); document.write( "x = 12
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\n" ); document.write( "the 5th number is 12
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