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This Lesson (this isn't a test, it's a wordproblem) was created by by roxy9229(32)
   : View Source, ShowAbout roxy9229: really good at equations & loves math
Quadratic_Equations/11133: The bus began its route with some passengers. At the first stop, 4 people got on and 1 got off the bus. At the second stop, 5 people got on and 3 got off. At the third stop, 6 passengers got on and 5 others got off. At the fourth stop, 7 more got on and 3 got off. At the fifth stop, 8 got on and 6 got off. When the bus finally arrived at the terminal, there were 21 passengers on board. How many people were on the bus when it began its route? 1 solutions -------------------------------------------------------------------------------- x+4-1+5-3+6-5+7-3+8-6 = 21 x+3+5-3+6-5+7-3+8-6 = 21 x+8-3+6-5+7-3+8-6 = 21 x+5+6-5+7-3+8-6 = 21 x+11-5+7-3+8-6 = 21 x+6+7-3+8-6 = 21 x+13-3+8-6 = 21 x+10+8-6 = 21 x+18-6 = 21 x+12 = 21 -12 -12 x=9 there were 9 people on the bus when it first started This lesson has been accessed 4346 times. |
