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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?

User Ilkdrl
by
7.6k points

1 Answer

5 votes

Answer:

  • 9

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

User Binod Kalathil
by
7.8k points
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