Mathematics, 18.07.2019 12:30 lerasteidl

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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Jenny left her house at 8 a. m. and went to school at a speed of 2 2 3 mph. her brother jim left hou...