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FC: Lisa's Trip to Hawaii | By: Betsy & Claire


3: Lisa is inviting her family to go on a family trip to Hawaii. Her mom tells her that they can only spend $1,050 on plane tickets and can only bring 5 people(including herself). It will cost $150 for one kid ticket and $250 for one adult ticket. How many adults and kids are going?

5: Definition of Variables and Settig Up Equations: K= number of kids A= Number of Adults Equation 1: K+A=5 Equation 2: $150K+$250A=$1,050

7: 1) Write out the two equations using two column approach 1)K+A=5 2)Solve for K K+A=5 -A -A 3) Plug in equation into other equation: K=5-A 6) Plug in A=3 into equation: K=5-3 K=2 Answer: 2 kids an 3 adults are going! | 1)$150K+$250A=1,050 3)Plug in equation: $150(5-A)+$250A=1,050 4) Solve for A: $750-$150A+$250A=$1,050 $750+$100A=$1050 -$750 -$750 $100A=$300 /$100 /$100 5) Plug in answer into other equation:A=3 | How to Solve the Problem:

9: K+A=5 2+3=5 5=5 YES IT WORKS! | $150K+$250A=$1050 $150(2)+$250(3)=$1050 $300+$750=$1050 $1050=$1050 YES IT WORKS! | Check your solution: k=2 a=3

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  • By: Claire M.
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  • Title: Tickets
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  • Started: over 7 years ago
  • Updated: over 7 years ago

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