What is the solution to the system of equations below?
X + y + z = 14
y + Z= 7
Z = 3
O A. x = 7, y = 4, z = 3
OB. X= 8, y = 3, z = 3
O c. x = 10, y = 1, z = 3
O D. x = 5, y = 6, z = 3
Sade bought 21 1/2 lb. of ground beef. he used 1/4 of the beef to make tacos and 2/3 of the remainder to make quarter-pound burgers. how many burgers did he make?
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