document.write( "Question 1118411: 5. A boy is 5 years old and his sister is three times as old as he is. When the boy is 15 years old, how old will his sister be?
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Algebra.Com's Answer #733711 by josgarithmetic(39618) $\"\"$ $\"About$

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b, boy now
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\n" ); document.write( "\n" ); document.write( "Boy is 5
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\n" ); document.write( "Sister is 15
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\n" ); document.write( "When the boy is 15 years old, how old will his sister be?
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\n" ); document.write( "\n" ); document.write( "When will that be? Ten more years.\r
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\n" ); document.write( "\n" ); document.write( "You can answer the question for the exercise.
\n" ); document.write( "In ten more years, the sister will be ____________. \n" ); document.write( "

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