23 centimeters = We make the following rule of three: 1 centimeter ----> 1 kilometer 23 centimeter -> x kilometer We clear x: x = (23/1) * (1) x = 23 kilometers 0.5 centimeters = We make the following rule of three: 1 centimeter ----> 1 kilometer 0.5 centimeter -> x kilometer We clear x: x = (0.5 / 1) * (1) x = 0.5 kilometers
9 centimeters = We make the following rule of three: 1 centimeter ----> 1 kilometer 9 centimeter -> x kilometer We clear x: x = (9/1) * (1) x = 9 kilometers
Answer: c. 23 kilometers a. 0.5 kilometers b. 9 kilometers
