SOLUTION: bayside insurance offers two health plans under plan A Giselle would have to pay $80 of her medical bills plus 30% of the rest. Under plan B Giselle would pay the first $90 but onl

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Question 526005: bayside insurance offers two health plans under plan A Giselle would have to pay $80 of her medical bills plus 30% of the rest. Under plan B Giselle would pay the first $90 but only 20% of the rest. For what amount of medical bills will plan B save Giselle money? Assume she has over $90 in bills
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
Plan A 80 + 30.00% of rest
Plan B= 90 + 20.00% of the rest
Plan B < Plan A
90+0.20(x-90)<80+0.30(x-80)
90+0.20 x-18 <80+0.30x - 24
90-80-18+24<0.3 x-0.2 x
16 < 0.1 x
160 < x
x should be greater than $160