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Jenny left her house at 8 a.m. and went to school at a speed of 2 2 3 mph. Her brother Jim left house 4 minutes later and went to the same school. What must his speed be if he w…
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Jenny left her house at 8 a.m. and went to school at a speed of 2 2 3 mph. Her brother Jim left house 4 minutes later and went to the same school. What must his speed be if he w…
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Mar 23, 2019
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Jenny left her house at 8 a.m. and went to school at a speed of 2 2 3 mph. Her brother Jim left house 4 minutes later and went to the same school. What must his speed be if he wants to keep the same distance between his sister and himself?
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Palanivelraghul
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Jim will maintain the distance if he goes to school at the same speed as Jenny's.
Jim's speed must be 2 2/3 mph.
Wiktor Walc
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Mar 27, 2019
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Wiktor Walc
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