math pre calc

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at the pittsburch zoo, children ride a train for 25 cents, adults pay $1 and seniors pay .75. on a given day, 1400 passengers paid a total of $740 for the rides. there were 250 more children riders than adults and senior riders combined.find the nu,ber of each type of rider.

set up a system and solve.

  • math pre calc -

    c+a+s = 1400
    .25c + a + .75s = 740
    c = a+s + 250

    (c,a,s) = (825,410,165)

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