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College Algebra

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(This one is one that I already have notes for. However, I can not get the answer for the life of me)

Bayside insurance offers two health plans. Under plan A, Giselle would have to pay the first $60 of her medical bills, plus 25% of the rest. Under plan B, Giselle would pay the first $170, but only 20% of the rest. For what amount of mediacl bills will plan B save Giselle money? Assume she has over $170 in bills.
Giselle would save with paln B if she had more than $___ in bills.

Here is part of my notes to get started but I'm not getting it after about half way through.....
Plan A would pay $60+25%($60-$170)=
Plan B would pay $170+20%($170-$170)=
Cost of Plan B $170+0.20(x-$170)
Cost of Plan A $60+0.25(x-$170)
(These are the first steps)

  • College Algebra -

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