There's two ways, you can either multiply 11 and 7 to get 77 and then divide by 2, OR, you can divide 11 by 2 and get 5.5 and multiply that by 7, hope this makes sense, if you don't understand just comment and I'll explain it more :)
Answer: <em>If you round it, should be about 5 hours.</em>
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Answer:
2.68
Step-by-step explanation:
In similar triangles, the corresponding sides are in same ratio
