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  • 05-02-2018
  • Mathematics
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Lucas is offered either 15% or $21 off his total shopping bill. how much would have to be spent to make the 15% option the best one?

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zrh2sfo
zrh2sfo zrh2sfo
  • 05-02-2018
Let the total bill be x. We have:
0.15x > 21 <-- Since 15% is 0.15     using inequality calc. x >$140 
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