What is the question mark represent
15/100=375/?

56.25

Step-by-step explanation:

A simple way to answer questions like these is to

Step 1: Multiply 15 and 375. This equals = 5625

Step 2: divide 100 and 5625. This equals = 56.25

  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