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There are 7 days in a week. Which rule gives the number of days in w weeks?

Class 6Rules and Formulas with VariablesAlgebra
  • Aw + 7
  • B
  • C
  • Dw − 7

Step-by-Step Solution

Each week adds 7 days: 1 week → 7, 2 weeks → 14, ... so weeks → days.
Answer: B)

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