D. ADDITION and SUBTRACTION of Decimal. 31. Find the sum of 151.7+ 23.2 = a. 174.9 b. 17.94 c. 1.749 d. 174.09 32. What is the difference of this? 9.4518 - 3.8194= a. 56. 324 b. 5. 6324 C. 6563. 24 d. All of the above 33. Find the sum. 15.6425 (Give the solution for this ) + 38.2301 34. Subtract. 82.33-7.602 = a. 74.728 b. 74.739 c. 74.738 d. 35. Find the sum of 22.3 and 15.32= a. 37.62 b. 38.26 c. 37.26 d. 38.02 36. Solve: (17.5 + 12.93 ) - 2.34 = 37. Solve : (9.325 -3.02 ) +0.007= a 38. There were 30.75 L of water in a tank. Darren used 1.95L of water. How mu left in L? 29.00​