4x + 3x + 11 = 60
7x + 11 = 60 (Combine like terms)
7x = 49 (60-11)
x = 7 (49/7)
4x
4 (7)
28
Answer: RS = 28
9 times 21 is 189
the answer is 189 inches
Adjective: Made up of various parts or elements
I think that either A or B have to be the number of days