document.write( "Question 420162: Bayside insurance offers two health plans.Under plan A, Giselle would have to pay the first $70 of her medical bills, plus 40% of the rest. Under plan B, Giselle would pay the first $130, but only 20% of the rest. For what amount of medical bills will plan B save Giselle money? Assume she has over $130 in bills. \n" ); document.write( "
Algebra.Com's Answer #293691 by mananth(16946)![]() ![]() You can put this solution on YOUR website! Let the bill amount be $x \n" ); document.write( "Plan A \n" ); document.write( "70 + 0.4(x-70) \n" ); document.write( "Plan B \n" ); document.write( "130 + 0.2(x-130) \n" ); document.write( "Plan B < Plan A \n" ); document.write( "130+0.2(x-130)<70+0.4(x-70) \n" ); document.write( "130+0.2x-26<70+0.4x-28 \n" ); document.write( "0.2x>130-70-26+28 \n" ); document.write( "0.2x>62 \n" ); document.write( "/0.2 \n" ); document.write( "x>310 \n" ); document.write( "The bill amount should be greater than $310 \n" ); document.write( " |