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Mathematics 21 Online
OpenStudy (anonymous):

brad has nickels and dimes in his pocket. he has three more dimes than nickels. the coins have a total value of 90 cents. find how many of each coin he has?

OpenStudy (legends):

4 nickles and 7 dimes

OpenStudy (anonymous):

Hi Welcome to Openstudy!!! let x be the number of nickels y be the the number of dimes total amount of money is given by the equation 0.5 x + 0.10 y = 0.90 total number of coins is given by the equation x + y = ??? seems like your question is incomplete

OpenStudy (anonymous):

@Legends can you show us your solution?

OpenStudy (legends):

yes sorry ok so we automatically take away 30 cents from 90 because we know that there is 3 more dimes than nickles. So that leaves us with 60 cents.

OpenStudy (legends):

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