Let x represent each blue rectangle and 1 represent each green figure.
We can see that there are 2 blue rectangles that would be .
We can also see that there are 2 green figures on left side and 3 figures on right side of equation, we can represent this information in an equation as:
Your answer would be A Because Plus or minus 6 If you subtract 6 from 690 you get 684 and if you add 6 you get 696. Plus the number of golf balls has to equal 684 or higher and 696 or lower.