The total length of the fencing is 248 ft; we call this the "perimeter" of the garden. Since P = 2W + 2L in general, here:
P = 248 ft = 2W + 2(W+6), or 248 ft = 4W + 12.
Subtracting 12 from both sides of this equation: 236 ft = 4W. Then W = 59 ft, which means that L = 65 ft.
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2/3(x + 7) = 10. Divide each side by 2/3.
x + 7 = 15. Subtract each side by 7.
x = 8
Answer:
20
Step-by-step explanation:
4(d+7)
Let d= -2
4 ( -2 +7)
Parentheses first
4( 5)
Multiply
20