What does the word "per" mean and how does it relate to unit rate:

a) Si te dicen que el ancho de una puerta a diseñar en CAD es de 87 pulgadas, ¿a cuánto equivale en centimetros con el sistema internacional? b) Entre tres piezas de aluminio se tiene una masa de 38 libras, ¿cuánta masa tienen estas mismas piezas expresadas en el sistema internacionsl? c) ¿Cuál es la equivalencia de 24 yardas en metros? d) Explica con tus palabas por que es importante definir les unidados de medición precisas aÍmomento de elaborar un plano, trazo o una figura en CAD.

What tool would you use to measure length in feet?

If you're in traffic, what must you be certain of when crossing railroad tracks? a) That you can clear the tracks with at least two car lengths to ensure you don't get stuck over the tracks b) That you can clear the tracks with at least one car length to ensure you don't get stuck over the tracks c) That you can clear the tracks with at least four car lengths to ensure you don't get stuck over the tracks

How many oz in chick fil a large drink?

What is an unprotected railroad crossing? a) A railroad crossing without a fence surrounding it b) A railroad crossing without flashing lights or barricades c) A railroad crossing with flashing lights or barricades d) Stopping on top of the railroad tracks