Question: a man covers a distance on scooter . had he moved 3 kmph faster he would have taken 40 min less . if he had moved 2 kmph slower , he would have taken 40 min more . the distance is .
A) 30 km
B) 60 km
C) 80 km
D) 20 km
E) 40 km
Correct answer: e
Grade: 7 | Topic: Expressions and Equations | Difficulty: Hard | Standard: 7.EE.B.3