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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…

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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1 vote
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?

asked
User Palanivelraghul
by
8.7k points

1 Answer

2 votes
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.
answered
User Wiktor Walc
by
8.4k points
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