math pre calc
posted by JT .
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 
Steve
c+a+s = 1400
.25c + a + .75s = 740
c = a+s + 250
(c,a,s) = (825,410,165)
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