document.write( "Question 186845: When Kate excersices, she either swims or runs. She wants to spend a minimum of 8 hours a week exercising, and she wants to swim 3 times the amount she runs. What is the minimum amount of time she must spend doing each exercise? \n" ); document.write( "

Algebra.Com's Answer #140058 by user_dude2008(1862) $\"\"$ $\"About$

You can put this solution on YOUR website!
x=time running, y=time swimming\r
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\n" ); document.write( "\n" ); document.write( "\"She wants to spend a minimum of 8 hours a week exercising\" ---> x+y ≥ 8\r
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\n" ); document.write( "\n" ); document.write( "\" she wants to swim 3 times the amount she runs\" ----> y=3x\r
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\n" ); document.write( "\n" ); document.write( "x+y ≥ 8\r
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\n" ); document.write( "\n" ); document.write( "x+3x ≥ 8\r
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\n" ); document.write( "\n" ); document.write( "4x ≥ 8\r
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\n" ); document.write( "\n" ); document.write( "x ≥ 2 ... 2 hrs running minimum\r
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\n" ); document.write( "\n" ); document.write( "y=3x\r
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\n" ); document.write( "\n" ); document.write( "y=3(2)\r
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\n" ); document.write( "\n" ); document.write( "y=6 ... 6 hrs swimming minimum\r
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