Do you have another picture?
In order to write 25 letters in 4 days you would need to write 6.25 a day
Well, kid all you have to do is add like terms and place the subjected terms in alphabetical order.
1. (6y-2c+2)+(-3y+4c)
2. 6y + - 3y = 3y
3. -2c+4c =2c
4. the positive in the first set of parenthesis has to term other than its number by itself. (so it remains alone and only positive 2)
5. take all the separate term answers and add them into a complete expression- 3y + 2c + 2: and that is all
22.5 times 1,000,000
22,500,000 in mm
22,500 meters and
22.5 kilometers