If C. P. = Rs. 480, S. P. =Rs.528 find profit and profit percent

In this question first you should find profit amount by using formula and you should use profit amount in profit percentage formula then you should calculate it

what’s the question?

the given 6 = w/p is equivalent to 6p = w, where w is the total area of the walls and p is the area covered by a single can of paint.

knowing that 6 cans of paint will be needed, 6p = w becomes 6(6) = w = 36.   this tells us that the total area to be painted is 36 square units.