This table of numbers tells Weight of Mary Adams what Nell's baby sister Mary When born 7-3/8 lb. weighed every two months from 2 months old 11-1/4 lb. the time she was born till she 4 months old 14-1/8 lb. was a year old. 6 months old 15-3/4 lb. 8 months old 17-5/8 lb. 10 months old 19-1/2 lb. 12 months old 21-3/8 lb. 1. How much did the Adams baby gain in the first two months? 2. How much did the Adams baby gain in the second two months? 3. In the third two months? 4. In the fourth two months? 5. From the time it was 8 months old till it was 10 months old? 6. In the last two months? 7. From the time it was born till it was 6 months old? C 1. Helen's exact average for December was 87-1/3. Kate's was 84-1/2. How much higher was Helen's than Kate's? 87-1/3 How do you think of 1/2 and 1/3? 84-1/2 How do you think of 1-2/6? ------ How do you change the 4? 2. Find the exact average for each girl in the following list. Write the answers clearly so that you can see them easily. You will use them in solving problems 3, 4, 5, 6, 7, and 8. Alice Dora Emma Grace Louise Mary Nell Rebecca Reading 91 87 83 81 79 77 76 73 Language 88 78 82 79 73 78 73 75 Arithmetic 89 85 79 75 84 87 89 80 Spelling 90 79 75 80 82 91 68 81 Geography 91 87 83 75 78 85 73 79 Writing 90 88 75 72 93 92 95 78 3. Which girl had the highest average? 4. How much higher was her average than the next highest? 5. How much difference was there between the highest and the lowest girl? 6. Was Emma's average higher or lower than Louise's? How much? 7. How much difference was there between Alice's average and Dora's? 8. How much difference was there between Mary's average and Nell's? 9. Write five other problems about these averages, and solve each of them. _Samples of Undesirable Applications of Arithmetic_[1] Will has XXI marbles, XII jackstones, XXXVI pieces of string. How many things had he? George's kite rose CDXXXV feet and Tom's went LXIII feet higher. How high did Tom's kite rise? If from DCIV we take CCIV the result will be a number IV times as large as the number of dollars Mr. Dane paid for his horse. How much did he pay for his horse? Hannah has 5/8 of a dollar, Susie 7/25, Nellie 3/4, Norah 13/16. How much money have they all together? A man saves 3-17/80 dollars a week. How much does he save in a year?