Question

With over 300 incandescent lamps with four selected colors, you want to beautify your home. You already have 32 red lights, 25 green lights, and 9 yellow lights. You have no blue lights. The price of each lamp is 415 and if you buy 50 or more lamps in the same color you get a 20% discount and if you buy 70 or more lamps in one color. If so, how much does it cost to decorate your home with equal lighting in every color?​

Answer 1

The question is not complete.

IF you buy 70 or more lamps in one colour...........