Answer:
The Answer Is 30
Explanation:
There were 60 boys and girls and twice as many girls were there, 30 x 2 = 60 :0
20 boys
Variables: g = girls; b = boys
Step 1: set up basic equation
60 = g + b
Step 2: define variable
g = 2b
Step 3: replace variable in the equation
60 = 2b + b
Step 4: solve
60 = 3b
60/3 = b
20 = b
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