SOLUTION: In a park, the ratio of adults to children is 4 to 2. If there are 78 people in the park, how many children are there?

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Question 924678: In a park, the ratio of adults to children is 4 to 2. If there are 78 people in the park, how many children are there?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Let +c+ = number of children
+78+-+c+ = number of adults
+4+%2F+2+=+2+%2F+1+
+2+%2F+1+=+%28%28+78+-+c+%29%29+%2F+c+
Multiply both sides by +c+
+2c+=+78+-+c+
+3c+=+78+
+c+=+26+
+78+-+c+=+52+
There are 26 children