Respuesta :
Krystal has k CDs
Ella has 10more CDs than Krystal
Ella has k+10 CDs
Iris have 3times than Ella
- 3(k+10)
- 3k+30CDs
Total CDs
- 3k+30+k+10+k
- 5k+50CDs
Krystal has k CDs
Ella has 10more CDs than Krystal
Ella has k+10 CDs
Iris have 3times than Ella
Total CDs