The graph means that 2 x and 9.4 make up 20 in total, so set up the equation 2x + 9.4 = 20.
Subtract 9.4 from both sides.
2x = 10.6
Divide by 2.
x = 5.3
The answer is the value of x that makes this equation true is 5.3
Hope this helps
Area = Length × width
Area = 5/6 × 15/7 = 75/42 mi²
Area = 
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-3/8(2)= -.75 which is -3/4