document.write( "Question 1090020: He has 14 coins which is eithee 10 dollars or 2 dollars, total ampunt is not greater than 95, how many 10 coins he has? \n" ); document.write( "

Algebra.Com's Answer #704445 by ikleyn(52788) $\"\"$ $\"About$

You can put this solution on YOUR website!
.
\n" ); document.write( "He has 14 coins $\"highlight%28cross%28which%29%29\"$ what $\"highlight%28cross%28is%29%29\"$ are $\"highlight%28cross%28eithee%29%29\"$ either 10 dollars or 2 dollars, total $\"highlight%28cross%28ampunt%29%29\"$ amount is not greater than 95, how many 10 coins he has?
\n" ); document.write( "~~~~~~~~~~~~~~~~~~~~~~\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "

\r\n" );
document.write( "Let x = # of 10-dollar coins.\r\n" );
document.write( "Then the number of 2-dollar coins is (14-x).\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "The value expression is value = 10x + 2*(14-x) dollars.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Your inequality is\r\n" );
document.write( "\r\n" );
document.write( "10x + 2*(14-x) <= 95  ====>\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Simplify and solve it step by step:\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "10x + 28 - 2x <= 95,\r\n" );
document.write( "\r\n" );
document.write( "8x <= 95 - 28 = 67.  ====>  x <= 8\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Answer.  Less than 9.\r\n" );
document.write( "

\r
\n" ); document.write( "\n" ); document.write( "Solved.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "----------------
\n" ); document.write( "Regarding the answer by @MathTherapy, I want to underline one more time: \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "

\r\n" );
document.write( "    The correct answer is \"the number of 10-dollar coins is less than 9\", \r\n" );
document.write( "\r\n" );
document.write( "    which means N <= 8,   BUT NOT NECESSARY N=8.\r\n" );
document.write( "

\r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

\n" );