Answer:
Taylan should make 2 marks above the 3 1/4 in the line plot.
Step-by-step explanation:
2(20 + 22) = 2(42) = 84 total books
53
7
√50 is close to √49
49 is a perfect square, 50 is close to 49.
√49 = 7
√50 ≈ 7.071068
