A dealer gives a 25% discount on the list price of a radio and still makes a 40% profit on the cost of the radio. If the cost of the radio is $30, then what is the list price of the radio?

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Answer 1 · 2016-08-01T11:54:36

#$56#

If the list price is #l# then the actual selling price is #0.75l#

If the cost price is #c# then the selling price is #1.4c#

#:. 0.75l = 1.4c#

or #3/4 l =7/5c = 7/5*30 = 7*6 = 42#

#:. l=42*4/3 = 56#