In september, fourth digit of the code number is 2 more than the fourth digit of the code number based on the prime factor of 225. the prime factors of what number were used for the code in september

315.

Step-by-step explanation:

225 = 3*3*5*5

So in September the fourth digit was 5+2 = 7 so the prime factors were

3*3*5*7.

Theses are the prime factors of 315.

  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