Question

A scale on a blue print drawing of a house shows that 101010 centimeters represents 222 meters. What number of actual meters are represented by 181818 centimeters on the blue print? meters

Answer 1

Answer:

1 : 4 1/2 :: 8 1/5 : x proportion

x = (4 1/2)(8 1/5) product of means/extremes

x = (9/2)(41/5) change improper fraction

x = 369/10 multiply

x = 36.9 change to decimal