pre cal

A cash register contains only ten dollar and tenty dollar bills. It contains three times as many ten dollar bills as twenty dollar bills and the total amount of money in the cash register is $1,950. How many ten dollar bills are in the cash register?

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  1. 3Ten=Twenty
    20*twenty+10*ten=1950

    20*2Ten+10Ten=1950
    50 ten=1950
    tens= 39
    twentys=13

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    👨‍🏫
    bobpursley
  2. incorrect

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  3. number of twenties --- x
    number of tens ------- 3x

    20x + 10(3x) = 1950
    50x =1950
    x = 39

    so there are 39 twenties and 117 tens

    check:
    39(20) + 117(10) = 1950

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  4. yes correct thank you so much!!!!

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