Monica made 1 red bracelet and 4 blue bracelets. She made twice as many black bracelets as red bracelets. She told her friend she made 7 bracelets. 
 Was Monica's calculation reasonable?
 A.
 Yes, it is reasonable because 1 + 4 + 2 = 7.
 B.
 No, it is not reasonable because 1 + 4 + 5 = 10.
 C.
 No, it is not reasonable because 1 + 4 + 8 = 13.