Question 31011
13=A+3A+(A-2) OR 13=5A-2 OR 15=5A OR A=3 THEREFORE AIRBORNE EXPRESS DELIVERED 3 PACKAGES.
FEDERAL EXPRESS DELIVERED 3 TIMES AS MANY OR 3*3=9 PACKAGES.
U.S. DELIVERED 2 LESS THAN AIRBORNE OR 3-2=1 PACKAGE.
THE TOTAL THEN IS 3+9+1 OR 13 PACKAGES.