Which equation should be used to estimate the answer to this story problem? The Bell family has three dogs. Soba weighs 48 pounds. Boomer weighs 107 pounds. Pepper weighs 88 pounds. What is the total weight of the three dogs? A. 100 + 150 + 100 = t B. 100 + 100 + 100 = t C. 50 + 100 + 100 = t D. 50 + 100 + 150 = t