Question:Susan and Doris both leave the same place at the same time. Susan roller blades straight north for 2 hours and west for 3 hours at an average rate of 5 kilometers per hour. At the same time, Doris roller blades due east for 1 hour and due south for 2 hours at an average rate of 15 kilometers per hour. When both are finished, what is the straight-line distance between them, in kilometers? A) 50 B) 40 C) 20 D) 13 E) 5 |
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-Mixed Numbers such as 2
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-If a Decimal Answer does not fit in the space, it MUST be rounded AND contain 4 characters, including the decimal. For example,
-Do NOT add a leading zero to a decimal, so 0.33 would be incorrect, while .33 would be correct. |
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