1. based only in clues a and b: the possible numbers are any number between 69 and 82. 2. When you use clue C, you’re down to only odd numbers: 71, 73, 75, 79 and 81. Then with club D you only have one number left out of those that when added the digits together it equals 12: 75. 3. Therefore G is 75 4. All for clues were important to figure out what number was G
To find the rate of increase all you have to do is take one of the data sets to see that every two months its charge time increases by 15 minutes or 7.5 minutes every month.
