Christi buys 48 barrettes. she shares the barrettes equally between herself and her 3 sisters. write an expression to represent the number of barrettes each girl gets.

Step-by-step explanation:

Given : Total barrettes bought = 48

The total number of people shares the barrettes =3+1=4  (Including Christi)

Now, if She shares the barrettes equally between herself and her 3 sisters., then the expression to represent the number of barrettes each girl gets will be :-

 ( Using division operation)

Hence, the expression to represent the number of barrettes each girl gets:

c.

step-by-step explanation:

she should of added 9^2 and 12^2. that is because it is a^2+b^2=c^2. c^2 is the hypotenuse and should always be bigger than the other two numbers. which is why she should of added 9 squared and 12 squared together instead of 15 squared.