When Devon cashed a $450 check at the bank, the teller gave him 18 bills, all $20 bills and $50 bills. Which system of equations can be used

Question

When Devon cashed a $450 check at the bank, the teller gave him 18 bills, all $20 bills and $50 bills. Which system of equations can be used to find how many of each type of bill Devon received? A) f- t = 18; 50f + 20t =450 B) f + t = 18; 50f + 20t = 450 C) f + t = 450; 50f + 20t = 18 D) f + t = 18; 50f – 20t =4 50

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    2021-09-09T17:08:39+00:00

    b is the answer to the equation

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