Patricia earns a monthly salary of $1600 plus a commission 8.5% on sales at a department store where she works. How much would she earn in one month if she sold $2500 worth of merchandise?

Step-by-step explanation:

2500*8.5%=212.50

212.50+1600=1812.50

  or  

step-by-step explanation:

if the four friends split the cost, p, of the pizza evenly, then each friend pays one-fourth of the cost of the pizza.

the expression is   or