You might need: Calculator A scale on a blue print drawing of a house shows that 6 centimeters represents 3 meters. What number of centimeters on the blue print represents an actual distance of 27 meters?
we have that
the scale drawing is
6 cm/ 3 m
simplify
2 cm/ 1 m ------> that means 2 cm in the drawing represent 1 m in the actual
applying proportion
2 cm/ 1 m=x/ 27 m
solve for x
x=27(2)
x=54 cm