Joaquin pawns his favorite watch for a loan of $120. After 30 days, he buys his watch back for $140. What interest did the pawnbroker charge Joaquin? The pawnbroker charged Joaquin 2%. (Round to the nearest whole number as needed.)

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Joaquin pawns his favorite watch for a loan of $120. After 30 days, he buys his watch back for $140. What interest did the pawnbroker charge Joaquin?
The pawnbroker charged Joaquin 2%.
(Round to the nearest whole number as needed.)
Transcribed Image Text:Joaquin pawns his favorite watch for a loan of $120. After 30 days, he buys his watch back for $140. What interest did the pawnbroker charge Joaquin? The pawnbroker charged Joaquin 2%. (Round to the nearest whole number as needed.)
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