Glenda bought some apps for her tablet. Each app cost $5. let n represent the number of app she bought. Write an expression to show the total amount you spent.
p = 5n where p equals the total price and n equals the number purchased, because the number bought times the amount each cost will give you the total spent.
n is the variable and the unknown amount.
5 is the amount per app.
5*n = 5n
5n is the answer