Ella has 10 more CDs than her friend Krystal has. Iris has 3 times as many CDs as Ella has. Which of the following can be used to show the number of CDs they have in total if Krystal has k CDs.

Respuesta :

Answer:

3(10+k)=total

Step-by-step explanation:

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