The answer is 169.
169 is a perfect square since 13 times itself (or 13²) is equal to 169.
√279=16.703
√169=13
√154=12.41
√115=10.72
No; to make a bow, you need 6 meters and 6 meters = 600 centimeters. If Dana only has 160 centimeters of ribbon, bows cannot be made because 600 cm is more than 160 cm.
Bryan : 5/6 = 20/24
Brother : 3/4 = 18/24
Answer Bryan ate more