SOLUTION: To convert from centimetres to inches, you can use the fact that a 30-cm ruler is just over 12 inches long. A person is 160 cm tall. what is the person's approximate height, in inc

Algebra ->  Equations -> SOLUTION: To convert from centimetres to inches, you can use the fact that a 30-cm ruler is just over 12 inches long. A person is 160 cm tall. what is the person's approximate height, in inc      Log On


   

Question 1173388: To convert from centimetres to inches, you can use the fact that a 30-cm ruler is just over 12 inches long. A person is 160 cm tall. what is the person's approximate height, in inches?
Answer by ikleyn(52781) About Me  (Show Source):
You can put this solution on YOUR website!
.

Use the proportion


    30%2F12 = 160%2Fx.


where x is the height in inches.


From the proportion, calculate  x = %2812%2A160%29%2F30 = 64 inches  (approximately)   ANSWER

Solved.

----------------

Actually, 1 inch = 2.54 centimeters (not 2.5 cm, as you may think after reading this post . . . )