<h2>
Explanation:</h2>
As I understand, the given equation is:

So we need to write this into general form. The general form of the equation of a line is given by:

Where A and B can't be zero at the same time. So subtracting 5y from both sides:

Answer: the answer is 180 
Step-by-step explanation:
Area of a rectangle multiply length times base. 15 x 12 = 180. Hope this helps!
490 x 2/5 = 980/5 = 196 girls at Garland
945 x 5/7 = 4725/7 = 675 girls at Bowood
Bowood has more girls:
675-196 = 479 more