a. 995 lb. 6 oz.
+ 1,004 lb. 11 oz.
______________
1999 lb 17 oz = 2000 lb 1 oz.
16 oz = 1 lb
Therefore,
1999 lb 17 oz = 1999 lb + 16 oz + 1 oz = 1999 lb + 1 lb + 1 oz
<h3>= 2000 lb. 1 oz.</h3>
_______________________________________________
b. 24 T 1,507 lb 12 oz.
+ 7 T 938 lb 6 oz.
______________
31 T 2445 lb 18 oz
2000 lb = 1 T.
16 oz = 1 lb
Therefore,
31 T 2445 lb 18 oz = 31 T + 2000 lb + 445 lb + 16 oz + 2 oz
= 31 T + 1 T + 445 lb + 1 lb + 2 oz
<h3> = 32 T. 446 lb. 2 oz.</h3>
_______________________________________________
c. 6 T. 14 oz.
+ 11 T. 1,949 lb.
+ 8 oz.
+ 5 T. 49 lb. 15 oz.
______________________
22T. 1998 lb. 37 oz.
22T. 1998 lb. 37 oz. = 22 T + 1998 lb + 16oz + 16 oz + 5 oz.
= 22 T + 1998 lb + 1 lb + 1 lb + 5 oz.
= 22 T + 2000 lb + 5oz
= 22 T + 1 T + 5 oz.
<h3>
= 23T. 5oz.</h3>
