Answer:
5. 87.5 miles 6. 9 = x
Explanation:
5. 25 miles times 3.5 inches = 87.5 miles
6. 18 - 8x = -6x
18 - 8x + 8x = -6x + 8x
18 = 2x
18/2 = 2x/2
9 = x
x represents "a number"
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