Una compañía de fabricación de muebles suele emplear 18 horas para ensamblar 12 muebles. Para determinar el número de muebles que se lograrán ensamblar en 3 horas, se propusieron los siguientes cálculos; aquel que permite verificar de manera correcta esta relación es

The time required is 4.5 hours.

Step-by-step explanation:

A furniture manufacturing company typically takes 18 hours to assemble 12 pieces of furniture. To determine the number of pieces of furniture that will be assembled in 3 hours, the following calculations were proposed; the one that allows to verify this relationship correctly is

The 12 pieces of furniture assembled in 18 hours

So, 1 piece assembled in 18 / 12 hours = 1.5 hours  

And 3 pieces assembled in 3 x 1.5 = 4.5 hours

the answer is 0.8in^2

hope you get it down chief.