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I AM DOING MY HW AND I GOT STUCK ON THIS QUESTION CAN SOMEONE HELP ME AND EXPLAIN HOW THEY DID IT <333

I AM DOING MY HW AND I GOT STUCK ON THIS QUESTION CAN SOMEONE HELP ME AND EXPLAIN HOW THEY DID IT Lt333 class=

Answer :

SILIROBERT15GO

i) Plan A: 21/0,12 = 175 <min of calls>

Plan B: 15/0,14 ≈ 107 <min of calls>

=> 2 plans cost the same 107 min of calls

ii) The cost when 2 plans cost the same:

  • Plan A: 107 × 0,12 = 12,84$ ≈ 13$
  • Plan B: 107 × 0.14 ≈ 15$

Answer: i) 107 ii) A: 13$ B: 15$

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