Question

bayside insurance offers two health palns under plan A Giselle would have to pay $150.00 of her medical bills plus 25% of the rest under plan B Gose;;e wpi;d [au tje first $190 but only 20% of the rest for what amount of medical bills will plan B save Giselle money? Assume she hasover $190 in bills.

Answer 1

the trick here is not to read this to quickly

Answer 2

plan A = (Bill - 150)(.25) + 150

plan B = (Bill - 190)(.20) + 190

Answer 3

these can be rewritten in more of an xy nature

Answer 4

y = (.25)x -150(.25) + 150

y = (.20)x -190(.20) + 190

Answer 5

when the bill = $790, the plans are equal

http://www.wolframalpha.com/input/?i=solve+y+%3D+%28.25%29x+-150%28.25%29+%2B+150+and++y+%3D+%28.20%29x+-190%28.20%29+%2B+190