Mathematics for IGCSE & O level - Equations (Section 1 - No. 49)
If the selling price, S, of an item is the cost, C, plus a markup of M, which equation represents this relationship?
S = M + C
S = M - C
M = S + C
C = S + M
คำอธิบาย
The selling price is the sum of the cost and the markup.