Question 1012122
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C=number of children; A=number of adults
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A+C=300
A=300-C
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$7.50(300-C)+$5.50C=$2000
$2250-$7.50C+$5.50C=$2000
-$2.00C=-$250
C=125
ANSWER 1: 125 children visited the museum.
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A=300-C=300-125=175
ANSWER 2: 175 adults visited the museum.
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CHECK:
$7.50A+$5.50C=$2000
$7.50(175)+$5.50(125)=$2000
$1312.50+$687.50=$2000
$2000=$2000