The admission fee at a zoo is $2 for children and $4 for adults. If 1800 people enter the zoo and $6000 is collected, how many adults went to the zoo?

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(1) Answers

lilchop06

x= adult, y = kidx+y=18004x+2y=6000x=1800-y now put that into the 2nd equation4(1800-y)+2y=60007200-4y+2y=60004y-2y=7200-60002y=1200y=600x=1800-600 = 1200 so 1200 adults and 600 kids