Answer: 1.N 2.N 3.P 4.P
Step-by-step explanation: To determine if a simple given proportion is true, look at the fractions. If these ratios (fractions) both reduce to the same value, the proportion is true. Double check: the "cross multiply" of 12 • 9 = 4 • 27 is true. both fractions reduce to 1/3.