Answer:
The slope of the line shown is 2
there are 3200 children in the summer camp.
Step-by-step explanation:
Percentage of boys in summer camp= 48%
No of boys in summer camp=1536 boys
Total number of children in summer camp= 
So, there are 3200 children in the summer camp.
Keywords: Word Problems having Percentage
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Construct the line using the two points:
slope: m = (-4 - 2) / (4 + 3) = -6/7;
then, y = mx + b => 2 = (-6/7)(-3) + b => 14/7 - 18/7 = b => b = -4/7.
And your y-intersect is -4/7.