document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=317688>Question 317688</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 1) When getting into shape by exercising, the subject’s maximum recommended number<BR>\n" );
document.write( "of heartbeats per minute (h) can be determined by subtracting the subject’s age (a)<BR>\n" );
document.write( "from 220 and then taking 75% of that value. This relation is expressed by which of the<BR>\n" );
document.write( "following formulas?<BR>\n" );
document.write( "A. h = .75(220 – a)<BR>\n" );
document.write( "B. h = .75(220) – a<BR>\n" );
document.write( "C. h = 220 – .75a<BR>\n" );
document.write( "D. .75h = 220 – a<BR>\n" );
document.write( "E. 220 = .75(h – a)\r<BR>\n" );
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document.write( "2)An airplane flew for 8 hours at an airspeed of x miles per hour (mph), and for 7 more<BR>\n" );
document.write( "hours at 325 mph. If the average airspeed for the entire flight was 350 mph, which of<BR>\n" );
document.write( "the following equations could be used to find x ?<BR>\n" );
document.write( "A. x + 325 = 2(350)<BR>\n" );
document.write( "B. x + 7(325) = 15(350)<BR>\n" );
document.write( "C. 8x – 7(325) = 350<BR>\n" );
document.write( "D. 8x + 7(325) = 2(350)<BR>\n" );
document.write( "E 8x + 7(325) = 15(350) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #227503 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=227503\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1) When getting into shape by exercising, the subject’s maximum recommended number<BR>\n" );
document.write( "of heartbeats per minute (h) can be determined by subtracting the subject’s age (a)<BR>\n" );
document.write( "from 220 and then taking 75% of that value. This relation is expressed by which of the<BR>\n" );
document.write( "following formulas?<BR>\n" );
document.write( "A. h = .75(220 – a)<BR>\n" );
document.write( "B. h = .75(220) – a<BR>\n" );
document.write( "C. h = 220 – .75a<BR>\n" );
document.write( "D. .75h = 220 – a<BR>\n" );
document.write( "E. 220 = .75(h – a)\r<BR>\n" );
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document.write( "..<BR>\n" );
document.write( "A. h = 0.75(220 – a)\r<BR>\n" );
document.write( "\n" );
document.write( "2)An airplane flew for 8 hours at an airspeed of x miles per hour (mph), and for 7 more<BR>\n" );
document.write( "hours at 325 mph. If the average airspeed for the entire flight was 350 mph, which of<BR>\n" );
document.write( "the following equations could be used to find x ?<BR>\n" );
document.write( ".<BR>\n" );
document.write( "8x+2275 /15 = 350<BR>\n" );
document.write( "8x+7*325 = 350*15<BR>\n" );
document.write( "Answer = E\r<BR>\n" );
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document.write( "A. x + 325 = 2(350)<BR>\n" );
document.write( "B. x + 7(325) = 15(350)<BR>\n" );
document.write( "C. 8x – 7(325) = 350<BR>\n" );
document.write( "D. 8x + 7(325) = 2(350)<BR>\n" );
document.write( "E 8x + 7(325) = 15(350) </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );