1) b + 14
sum= addition
2) y - 5
3) c + 7
more than= addition
4) 3 * b or 3b
product= multiplication
5) n/4 or n ÷ 4
In each of these expressions the letters represent an unknown number value. For example, in number 5), if n= 16, then we would divide 16 ÷ 4 which would equal 4.
Hope this helps! :)
