30 x 20 = 600
600 / 12 = 50
Answer: 30 CD’s costs 50
Answer:
x = 7
Step-by-step explanation:
3x/2 - 10 = 1/2
3x/2 - 20/2 = 1/2
3x - 20 = 1
3x = 21
x = 7
Hope this helped!
1 package - 1/4th = .75 or 3/4 packages, 1/9th of 3/4 = 1/12
She has 1/12 of the package left.