Mathematics, 23.07.2019 21:10, Djbrace3278
Agirl wants to count the steps of a moving escalator which is going up. if she is going up on it, she counts 60 steps. if she is walking down, taking the same time per step, then she counts 90 steps. how many steps would she have to take in either direction, if the escalator were standing still? answer multiple choice a.70 b.72 c.75 d.79
Answers: 1
Mathematics, 23.07.2019 01:10, ashliemallen
Answers: 1
Mathematics, 23.07.2019 21:00, lavish6481
Answers: 2
Mathematics, 27.08.2019 12:00, miguelmike2895
Answers: 1
Agirl wants to count the steps of a moving escalator which is going up. if she is going up on it, sh...
Arts, 29.07.2019 18:00
History, 29.07.2019 18:00
Social Studies, 29.07.2019 18:00
Mathematics, 29.07.2019 18:00