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

a. find the dimensions of the original painting.

b. find the area of the original painting.

c. since 1 inch is 2.54 cm, find the dimensions of the original painting in inches.

d, find the area of the original painting in square inches.

Since the scale is 1 in : 40 cm

2 in ( 40 cm / 1 in) = 80 cm

1.5 in ( 40 cm / 1 in) = 60 cm

80 cm by 60 cm

A =  80 cm x 60 cm = 4800 sq cm

80 cm ( 1 in / 2.54 cm) = 31.5 in

60 cm ( 1 in / 2.54 cm) = 23.6 in

A = 31.5 in x 23.6 in = 743.4 sq in

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the expression (1.26)2t reveals the approximate rate of increases in the number of plants semiannually.

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