Question 144438
B = # of Br plants
P = # of Peas

B+P = 13
12B + 6P = 120 (10' = 120 inches)

B=13-P
12(13-P) + 6P = 120
156-12P+6P=120
156 - 6P = 120
-6P = -36
P = 6
B = 7