1.The sum of four consecutive whole numbers is 54. What are the four numbers?
2. A baby wriggled so much that weighing him at the clinic was a problem. So the doctor held the baby and stood on a scale. Then the nurse held the baby and stood on the scale. Then the doctor held the nurse who held the the baby and stood on the scale. The three results were 78 kg, 69 kg and 142 kg respectively. What was the weight of the baby ?