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You are trying to decide which cell phone plan to purchase. Plan A chargeres $40 for a new phone and $20 a month for usage. Plan B provides the phone for free, but has a fee of $30 a month for usage.

Use the substitution method to determine when the two plans will cost the same.

User Vimal CK
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1 Answer

1 vote

Answer:

Hmmm, might be in the 1,000s or an exact number: 2,567

Explanation:

User Thorkia
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