How to figure out yarn used and greige lbs produced on a given style

Question:  Style 2050 has top percentage of .40 (40%) and bottom percentage of .60 (60%).  You have a set of yarn that weighs 764 lbs. 

A. If you load it on the top, how many lbs of bottom yarn would it take to run it out?

.40	764 
---- =  ----
.60     x

CROSS MULTIPLY AND DIVIDE:   .60x764
                             -------- =  1146 lbs of bottom bar yarn
                               .40       needed to run it out


B. How many lbs of greige goods would that produce?

You have 764 lbs of top bar yarn plus 1146 lbs of bottom bar yarn=1910 lbs of greige goods.

C. If you load it on the bottom, how many lbs of top yarn would it take to run it out?

.40	x 
---- =  ----
.60     764

CROSS MULTIPLY AND DIVIDE:   .40x764
                             -------- =  509 lbs of bottom bar yarn
                               .60       needed to run it out


D. How many lbs of greige goods would that produce?

You have 764 lbs of bottom bar yarn plus 509 lbs of top bar yarn=1273 lbs of greige goods.

NOTE: You can usually run pure merge on top bar and pure merge on bottom bar and produce dyeable streak free greige goods.