- 30 times a number b
- The sum of n and 55
- If ×=-1 and y = 2,then the value of 2y ×is
- 25 added to r
- Y divided by 8
- Perimeter of a square:______________
- The teacher distributed 5 pencils per student. Can you tell how many pencil are needed,given the number of students?(Use s for the number of students)
