Question

Ling drove at an average speed of 78 km per hour for 45 minutes. She then increased her average speed by 6 kilometers per hour for 20 more minutes before reaching home. Find the total distance Ling traveled.

Answer 1

what is 78km/hr * 45/60hr+6km/nr*20/60?

78*3/4+6*1/3=you do it.

Answer 2

58.7