The numbers of new CDs is 30 and the old CDs is 21.
To solve this problem, we have to write a system of equations in which we would know the numbers of each types of CD she bought.
<h3>System of Equations</h3>
This is used to solve a series or complex of word problems in which we can represent in a mathematical statements;
- Let n represents numbers of new CDs
- Let u represents numbers of old CDs
The equations can be represented as

Let's take equation (i)
Making n the subject of formula

we can put equation (iii) into equation (ii)

Let's put the value of u into equation (i)

From the calculations above, the numbers of new CDs is 30 and the old CDs is 21.
Learn more on system of equations here;
brainly.com/question/13729904
Answer:
$35
Step-by-step explanation:
you have to divide the total money raised by the amount sold
16,625/475=35
each ticket was $35
and to make sure its correct you can always multiply the amount of 1 ticket to the amount sold
475*35=16,625
Answer:
33 ft
Step-by-step explanation:
hey, hope this helps and right.