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January 7th, 2019, 06:31 PM  #1 
Newbie Joined: Dec 2018 From: NY Posts: 5 Thanks: 0  Algebra Word Problem.
Stumped on this question. One of the last questions in the section I'm working in. Thanks for the help. During a recent sale, BMG Music Service charged \$8.49 for the first CD ordered and \$3.99 for all others. For shipping and handling, BMG charged \$2.47 for the first CD, \$2.28 for the second CD, and \$1.99 for all others. The total cost of a shipment (excluding tax) was \$65.07. How many CD's were in the shipment? Last edited by skipjack; January 8th, 2019 at 10:10 AM. 
January 7th, 2019, 06:41 PM  #2  
Math Team Joined: Jul 2011 From: Texas Posts: 2,837 Thanks: 1479  Quote:
$[8.49+3.99(x1)] + [2.47+2.28+1.99(x2)] = 65.07$ solve for x Last edited by skipjack; January 8th, 2019 at 10:10 AM.  
January 7th, 2019, 07:26 PM  #3 
Math Team Joined: Oct 2011 From: Ottawa Ontario, Canada Posts: 14,117 Thanks: 1002 
Hey, where ya been Mike? n = number of CD's  1 8.49 + 3.99n + 2.47 + 1.99n + .29 = 65.07 (the .29 is to adjust for shipping/handling of 2nd CD : 2.28  1.99) Solve for n. Cute problem! 
January 8th, 2019, 05:46 AM  #4 
Global Moderator Joined: Dec 2006 Posts: 20,371 Thanks: 2007 
The given figures mean that 10 CDs would give rise to a total cost (before tax) of \$65.07. I got this answer the quick way.

January 8th, 2019, 09:27 AM  #5 
Newbie Joined: Dec 2018 From: NY Posts: 5 Thanks: 0 
Thanks, Denis.

January 8th, 2019, 09:50 AM  #6 
Math Team Joined: Oct 2011 From: Ottawa Ontario, Canada Posts: 14,117 Thanks: 1002 
Cross the CanadaUSA border at Massena NY, then a few miles to Cornwall Ontario...meet you there at the Lafayette Tavern for a pool game of 8ball and a Canadian Beer !! 
January 8th, 2019, 09:59 AM  #7 
Math Team Joined: May 2013 From: The Astral plane Posts: 2,073 Thanks: 843 Math Focus: Wibbly wobbly timeywimey stuff.  
January 8th, 2019, 12:49 PM  #8 
Math Team Joined: Oct 2011 From: Ottawa Ontario, Canada Posts: 14,117 Thanks: 1002 
George Google: Clifford Charles Devlin "Cliff" Thorburn (born January 16, 1948) is a Canadian retired professional snooker player. He won the World Snooker Championship in 1980, the first player from outside the United Kingdom to win the title in the sport's modern era. 
January 9th, 2019, 05:41 AM  #9 
Math Team Joined: Oct 2011 From: Ottawa Ontario, Canada Posts: 14,117 Thanks: 1002 
Well Dan, between me and you and the side pockets, snooker is a booooooring game....a bit like cricket.... 
January 9th, 2019, 06:58 AM  #10  
Senior Member Joined: Apr 2014 From: Glasgow Posts: 2,142 Thanks: 726 Math Focus: Physics, mathematical modelling, numerical and computational solutions  Quote:
Cricket however... get the beers out!  

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