Question 27
An walks 8 km at 4 km/h. Now she will run part of that route at 8 km/h. What total distance must she run for her average speed over the whole route to be 7 km/h?
Original printed choices: A) 1 km; B) 2 km; C) 16/7 km; D) 3 km; E) 48/7 km
Editorial task: Discuss both readings of the original wording and identify which one yields a printed choice.
Original printed choices: A) 1 km; B) 2 km; C) 16/7 km; D) 3 km; E) 48/7 km
Editorial task: Discuss both readings of the original wording and identify which one yields a printed choice.