Homework Help Forum: math algebra

Posted by scooby on Friday, October 30, 2009 at 3:13pm.

Bayside Insurance offers two health plans. Under plan A, Giselle would have to pay the first $70 of her medical bills, plus 30% of the rest. Under plan B, Giselle would pay the first $170, but only 20% of the rest. For what amount of medical bills will plan B save Giselle money? Assume she has over $170 in bills. Giselle would save with plan B if she had more than $___ in bills.

• math algebra - PsyDAG, Saturday, October 31, 2009 at 11:03am

  Where the plans would be equal is found by the following formula: .3x + 70 = .2x + 170 Solve for x. Giselle would save on plan B once the costs exceed that amount. I hope this helps. Thanks for asking.

  
  

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