document.write( "Question 1164545: A delivery truck is transporting boxes of two sizes: large and small. The combined weight of a large box and a small box is 90 pounds. The truck is transporting 60 large boxes and 65 small boxes. If the truck is carrying a total of 5550 pounds in boxes, how much does each type of box weigh? \n" ); document.write( "
Algebra.Com's Answer #788949 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! let L = weight of large boxes \n" ); document.write( "let s = weight of small boxes \n" ); document.write( ": \n" ); document.write( "Just write an equation for the given statements \n" ); document.write( ": \n" ); document.write( "A delivery truck is transporting boxes of two sizes: large and small. \n" ); document.write( " The combined weight of a large box and a small box is 90 pounds. \n" ); document.write( "L + s = 90 \n" ); document.write( "we can use this form for substitution \n" ); document.write( "L = (90-s) \n" ); document.write( " The truck is transporting 60 large boxes and 65 small boxes. \n" ); document.write( " If the truck is carrying a total of 5550 pounds in boxes, \n" ); document.write( "60L + 65s = 5550 \n" ); document.write( "replace L with (90-s) \n" ); document.write( "60(90-s) + 65s = 5550 \n" ); document.write( "5400 - 60s + 65s = 5550 \n" ); document.write( "5s = 5550 - 5400 \n" ); document.write( "5s = 150 \n" ); document.write( "s = 150/5 \n" ); document.write( "s = 30 lb is the small box \n" ); document.write( "then \n" ); document.write( "90 - 30 = 60 lb is the large \n" ); document.write( ": \n" ); document.write( "; \n" ); document.write( "Check this \n" ); document.write( "60(60) + 65(30) = \n" ); document.write( "3600 + 1950 = 5550\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |