Also, 34÷2-8? ≤9m;
6m & lt9m
Therefore, the circumference of a rectangle = (6+8) × 2 = 28m;
2)、
1, Chicken A = (4500-2000× 2) ÷ (3-2) = 500;
B chicken = 2000-500 =1500;
2.a = 500÷94%≈532;
b = 1500÷99%≈ 15 16