document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1174847>Question 1174847</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Is it B? I want to check my answer.\r<BR>\n" );
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document.write( "Camille is saving for a laptop that costs about $850. To model her savings plan and determine how many more months it will take her to reach her goal, she recently created this equation, where y represents the total amount saved and x represents the number of months. Which statement about her work is true?\r<BR>\n" );
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document.write( "The question is provided in the link here: https://i.imgur.com/YRMjv5R.png\r<BR>\n" );
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document.write( "A. Camille used the associative property in step 3. <BR>\n" );
document.write( "B. Camille used the multiplication property of equality in step 4.<BR>\n" );
document.write( "C. Camille used the subtraction property of equality in step 5.<BR>\n" );
document.write( "D. Camille used the substitution property in step 6. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #800328 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><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=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=800328\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> here's a reference on the properties of equality.\r<BR>\n" );
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document.write( "<a  rel=nofollow HREF= \"https://www.varsitytutors.com/hotmath/hotmath_help/topics/properties-of-equality\" target = \"_blank\">https://www.varsitytutors.com/hotmath/hotmath_help/topics/properties-of-equality</a>\r<BR>\n" );
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document.write( "it appears that the answer should be D.\r<BR>\n" );
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document.write( "in D, she replaced y with 850.\r<BR>\n" );
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document.write( "that's a substitution.\r<BR>\n" );
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document.write( "it is possible that B would also be considered because division is a form of multiplication, but that's not as clear as what happens in step 6.\r<BR>\n" );
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document.write( "for example:\r<BR>\n" );
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document.write( "step 4 says (y - 80) / 70 = 70x / 70\r<BR>\n" );
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document.write( "that's clearly a division, but it could also have been stated as:\r<BR>\n" );
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document.write( "(y - 80) * (1/70) = 70x * (1/70).\r<BR>\n" );
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document.write( "if stated that way, then the distributive property would also have to be implicated, because:\r<BR>\n" );
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document.write( "(y - 80) * (1/70) = y * 1/70 - 80 * 1/70.\r<BR>\n" );
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document.write( "i don't think they wanted the answer to be that complicated.\r<BR>\n" );
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document.write( "step 6 is more straight forward.\r<BR>\n" );
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document.write( "you are replacing y with 850 because y = 850.\r<BR>\n" );
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document.write( "that's a substitution.\r<BR>\n" );
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document.write( "you never really know what's in the minds of the people asking these questions, but i would go with step 6 because it's more clearly a substitution and the division property is stated separately from the multiplication property, even though they are two sides of the same coin.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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