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A child's coin bank contains $2.58 in pennies and nickels. If the number of pennies is 36 less than 2 times the number of nickels, how many pennies are in the bank?

A) 38 pennies
B) 42 pennies
C) 48 pennies
D) 2 pennies

  • math -

    let the number of nickels be x
    then the number of pennies is (2x - 36)
    5x + 2x-36 = 258
    7x = 294
    x = 42

    so 42 nickels and 48 pennies

    check: 42(5) = 48 = 258

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