document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1165330>Question 1165330</A>: <I><SPAN STYLE=\"word-break: break-all;\"> in 2015 the median age at first marriage of U.S. women (27.1) was what percent less than median age at first marriage of U.S. men (29.2 years) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #853102 by </B><A HREF=/tutors/aboutme.mpl?userid=CPhill><B>CPhill(2138)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=CPhill><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=CPhill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=853102\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> This is a percentage decrease calculation.\r<BR>\n" );
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document.write( "The formula for percentage less than (or percentage decrease) is:<BR>\n" );
document.write( "$$\text{Percentage Less} = \frac{\text{Reference Value} - \text{Comparison Value}}{\text{Reference Value}} \times 100\%$$\r<BR>\n" );
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document.write( "In this case:\r<BR>\n" );
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document.write( "  * Reference Value (Men's age) $= 29.2$ years<BR>\n" );
document.write( "  * Comparison Value (Women's age) $= 27.1$ years\r<BR>\n" );
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document.write( "$$\text{Percentage Less} = \frac{29.2 - 27.1}{29.2} \times 100\%$$\r<BR>\n" );
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document.write( "```python?code_reference&code_event_index=2<BR>\n" );
document.write( "# Given values<BR>\n" );
document.write( "men_age = 29.2<BR>\n" );
document.write( "women_age = 27.1\r<BR>\n" );
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document.write( "# Calculate the percentage difference<BR>\n" );
document.write( "percentage_less = ((men_age - women_age) / men_age) * 100\r<BR>\n" );
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document.write( "print(f\"Percentage less: {percentage_less}\")\r<BR>\n" );
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document.write( "```\r<BR>\n" );
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document.write( "```text?code_stdout&code_event_index=2<BR>\n" );
document.write( "Percentage less: 7.191780821917801\r<BR>\n" );
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document.write( "```\r<BR>\n" );
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document.write( "The median age at first marriage of U.S. women (27.1 years) was approximately **7.19% less** than the median age for U.S. men (29.2 years) in 2015.\r<BR>\n" );
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document.write( "### Calculation Steps:\r<BR>\n" );
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document.write( "1.  **Find the Difference:**<BR>\n" );
document.write( "    $$29.2 \text{ years} - 27.1 \text{ years} = 2.1 \text{ years}$$\r<BR>\n" );
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document.write( "2.  **Calculate the Percentage Decrease (using the men's age as the reference):**<BR>\n" );
document.write( "    $$\text{Percentage Less} = \frac{\text{Difference}}{\text{Men's Age}} \times 100\%$$<BR>\n" );
document.write( "    $$\text{Percentage Less} = \frac{2.1}{29.2} \times 100\%$$<BR>\n" );
document.write( "    $$\text{Percentage Less} \approx 0.071917 \times 100\%$$<BR>\n" );
document.write( "    $$\mathbf{\approx 7.19\%}$$ </SPAN>\n" );
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