8x + 6 = 3x + 21
8x - 3x = 21 - 6
5x = 15
5x/5 = 15/5
x = 3
Multiply each side by 2.5 than add for perimeter .
1 2/3 miles is the answer.
I think you meant 1/10
6 + 4 = 10 1 mile 4/6 = 1 2/3
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Answer: 7+0.7+0.05
Since 7 is in the ones place it goes in front of the decimal. .7 is in the tenth place because it's behind the decimal. .05 is also behind the decimal so it's in the hundredths place.
Answer: C
The x row goes up every time by two and the y decreases by 4.
6-4=2 ect...
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