1. Bert has 4 pieces of wood with a total length of 35 decimeteres. Three of the pieces are of the same length and one piece is 8 decimeters long. How long are the other pieces?
2. Ben had stickers. Tim had 20 stickers. After Ben bought 3 more stickers, he had twice the length and one piece is 8 decimeters long. How long are the other pieces?
3. Sarah and Melay both start with same number. Sarah adds 6 to the number. Melay multiplies the number by 2. Both get the same result. What number did they both start?
4. There are 54 pupils in the class. Four-ninths of them are girls and 3/8 of the girls are glee club members. How many girls in the class are members of the glee club?
Please help me to answer my son's assignment. Thank you in advance.