A medical insurance company offers two prescription-drug insurance plans. With plan 1, James would pay the first $150 of his prescription costs and 50% of all costs after that. With plan 2, James would pay the first $280 of costs, but only 20% of the rest. For what amount of prescription costs will plan 2 save James money? (Assume that his prescription costs exceed $280.) mostly need help on how to do the problem

when expenses are greater than $433.33

Step-by-step explanation:

set up equations for each plan

let 'x' = prescription costs

Plan 1:  y = 150 + .5x

Plan 2:  y = 280 + .2x

150 + .5x = 280 + .2x

.5x = 130 + .2x

.3x = 130

x = 433.33

i checked my answer by graphing each equation and $433.33 is the break-even point where each plan would have the same costs but, after that, the expenses for Plan B are less

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step-by-step explanation:

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