Simplify:(212+3.6)−1.9(2\frac{1}{2}+3.6)-1.9(221+3.6)−1.9 A4.2B5.2C6.2D7.2Answer: A. 4.2 Read Explanation: First convert the mixed number:212=2.52\frac{1}{2} = 2.5221=2.5Now substitute:(2.5+3.6)−1.9(2.5 + 3.6) - 1.9(2.5+3.6)−1.9Step by step:2.5+3.6=6.12.5 + 3.6 = 6.12.5+3.6=6.16.1−1.9=4.26.1 - 1.9 = 4.26.1−1.9=4.2Final answer: (4.2) Read more in App