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B. P = 7
C. P = 5
D. P = 3
60P = 180
P = 3
B. 5 : P = 100 : 140
700 = 100P
P = 7
C. 2/P = 60/150
300 = 60P
P = 5
D. P/7 = 75/175
P/7 = 3/7
P = 3