2000003705

SubArea: 
Rational functions
Level: 
A
Project ID: 
2000003705
Accepted: 
0
Clonable: 
0
Easy: 
1
A car going at a speed 60km/h covers the distance from city A to city B in 30 minutes. If the distance has to be covered in 20 minutes, how many times does the driver have to increase the speed when leaving A.
1.5 times
1.3― times
1.6― times
1.2 times