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Your friend tells you that if you let her keep 20 of your Pokemon cards for three months, she will give you 2 cards extra when she returns your cards to you.
What is the annual rate of interest she is willing to pay for the borrowed cards?

Respuesta :

SageRage

Answer:

8 cards annual interest

Step-by-step explanation:

  • You got 20 cards that's the principal
  • You get 2 cards every period, 2 is 10% of 20 that's the rate
  • Annual means there 4 periods as the time, since every 3 months
  • [tex]I=Prt\\I=(20)(0.1)(4)\\I=8[/tex]

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