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translate the problem into a mathematical sentence using e as your variable name.
roy bought 16 CDs in December. of those, 7 were world music the rest were electronic music. how many electronic music discs did he buy?

Respuesta :

mhanifa

Answer:

  • 9

Step-by-step explanation:

  • Total CD's = 16
  • World music = 7
  • Electronic music = e

The expression and solution:

  • 7 + e = 16
  • e = 16 - 7
  • e = 9

Roy bought 9 electronic music discs