A 1:12 is the answer for this question
Answer:
319 miles.
Step-by-step explanation:
Given that S<span>taci must vacuum 1/2 of the house.
If she already has vacuumed 1/3 of her share tonight the part of the house she has vacumed is given by

Therefore, she has vacuumed 1/6 of the house.
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1 - 8 = - 7
6 - 1 = 5
Let us use the Pythagorean theorem:
c^2 = (-7)^2 + 5^2 = 49 + 25 = 74 -> c = 8.6