Marie has a small copy of rene magritte's famous painting, the schoolmaster. Her copy has dimensions 2 inches by 1.5 inches. The scale of the copy is 1 in :40 cm. Find the dimensions of the original painting
We just multiply the scale to the dimensions 2 in to original is: 2×40= 80 cm or do proportions: [tex] \frac{2}{x} [/tex]=[tex] \frac{1}{40} [/tex] =[tex] \frac{2*40}{1} [/tex]=x =80 cm=x the original dimension. Same thing to the other side. 1.5×40=60 cm or proportions again: [tex] \frac{1.5}{y} [/tex]=[tex] \frac{1}{40} [/tex] [tex] \frac{1.5*40}{1} [/tex]=y 60 cm=y 60 cm is the original dimension 80 cm times 60 cm ORIGINAL DIMENSION
