Respuesta :
Answer:
$10
Step-by-step explanation:
If Erin wants 3 CD's at $10 a piece, that is $30 total. She has $20 which means you find the difference. Total needed: $30 - Money in hand: $20 = $10
Please mark answer as Brainliest and give 5 stars.
3 cd at 10 each is 30 dollars. But Erin only has 20 so she would need 10 more dollars in order to purchase all cd.
Answer:T
Step-by-step explanation: