Answer:
4n and 5p
Step-by-step explanation:
Because if it the cost of each your mulitplying and because you wanting to just define the variable p for pen and n for notebook all a variable is a letter than let you know what something is for using in math later
0.0089 cm
89/10 000
=0.0089
It is the bottom right one because the amount he walked has to be greater than 200
9(4y - 7) = 36y
^^multiple the bracket by the number outside the bracket
